{"source":"polymarket","id":"933286","ticker":"atp-vasilev-serna-2026-08-31","slug":"atp-vasilev-serna-2026-08-31","title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna","description":"This market refers to the tennis match between Alexander Vasilev and Juan Manuel La Serna in the Plovdiv 3, originally scheduled for August 31, 2026 at 4:00AM ET.\n\nThis market will resolve to 'Alexander Vasilev' if Alexander Vasilev advances against Juan Manuel La Serna.\n\nThis market will resolve to 'Juan Manuel La Serna' if Juan Manuel La Serna advances against Alexander Vasilev.\n\nIf the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 14, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50.\n\nIf the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.\n\nIf the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.\n\nThe primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","active":true,"closed":false,"start_date":"2026-08-29T23:05:46Z","end_date":"2026-09-07T08:00:00Z","closed_time":null,"volume":1336.6502850000002,"volume_24hr":1178.49944,"volume_24h_change":null,"normalized_vol_24hr":18.882049560546875,"normalized_volume":11.794525146484375,"liquidity":61154.1746,"open_interest":1276.296284,"categories":["Sports"],"tags":[{"id":"864","slug":"tennis","label":"Tennis"},{"id":"1","slug":"sports","label":"Sports"},{"id":"100639","slug":"games","label":"Games"}],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna Set 1 O/U 8.5","top_outcome_probability":0.66,"top_outcome_prob_24h_change":0.16000000000000003,"top_outcome_volume_24h_change":0.0,"updated_at":"2026-09-01T07:44:01.351190Z","fetched_at":"2026-09-01T07:44:01.351190Z","added_at":"2026-08-29T23:13:42.055278Z","url":"https://polymarket.com/event/atp-vasilev-serna-2026-08-31","chart_24h":[86.05084500000001,56.457626,0.0,0.0,0.0,22.518566,30.924362000000002,271.486547,271.486547,542.59098,542.59098,542.59098,700.45098,700.45098,700.45098,710.62098,731.252557,751.00694,756.00694,839.58694,889.93694,889.93694,889.93694,889.93694,889.93694,889.93694,889.93694,889.93694,889.93694,889.93694,889.93694,1176.93694,1176.93694,1176.93694,1176.93694,1176.93694,1176.93694,1178.49944,1178.49944],"kind":"live","markets":[{"source":"polymarket","id":"3987234","event_id":"933286","slug":"atp-vasilev-serna-2026-08-31-first-set-winner-Vasilev-vs-Serna","question":"Set 1 Winner: Vasilev vs Serna","group_item_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna Set 1 Winner","description":"This market refers to the tennis match between Alexander Vasilev and Juan Manuel La Serna in the Plovdiv 3, originally scheduled for August 31, 2026 at 4:00AM ET.\nThis market will resolve to “Vasilev” if Alexander Vasilev wins the first set. It will resolve to “Serna” if Juan Manuel La Serna wins the first set.\nIf the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50.\nIf the match is canceled (not played at all) or play has not begun by September 14, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.\nResolution will be based on official Challenger match statistics.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Vasilev","Serna"],"outcome_prices":[0.435,0.565],"probability":0.435,"spread":0.03,"active":true,"closed":false,"start_date":"2026-08-29T23:45:42Z","end_date":"2026-09-07T08:00:00Z","closed_time":null,"volume":29.924383,"volume_24hr":29.924383,"prob_24h_change":0.07500000000000001,"volume_24h_change":29.924383,"normalized_vol_24hr":4.479092121124268,"normalized_volume":3.4548370838165283,"liquidity":2933.0178,"categories":["Sports"],"countries":[],"updated_at":"2026-08-31T18:43:52.111483Z","fetched_at":"2026-08-31T18:43:52.111483Z","added_at":"2026-08-29T23:51:04.553870Z","url":"https://polymarket.com/event/atp-vasilev-serna-2026-08-31/atp-vasilev-serna-2026-08-31-first-set-winner-Vasilev-vs-Serna","event_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna","chart_24h":[0.36,0.41,0.435,0.44,0.44,0.445,0.435]},{"source":"polymarket","id":"3986394","event_id":"933286","slug":"atp-vasilev-serna-2026-08-31","question":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna","group_item_title":null,"description":"This market refers to the tennis match between Alexander Vasilev and Juan Manuel La Serna in the Plovdiv 3, originally scheduled for August 31, 2026 at 4:00AM ET.\n\nThis market will resolve to 'Alexander Vasilev' if Alexander Vasilev advances against Juan Manuel La Serna.\n\nThis market will resolve to 'Juan Manuel La Serna' if Juan Manuel La Serna advances against Alexander Vasilev.\n\nIf the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 14, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50.\n\nIf the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.\n\nIf the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.\n\nThe primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Alexander Vasilev","Juan Manuel La Serna"],"outcome_prices":[0.365,0.635],"probability":0.365,"spread":0.01,"active":true,"closed":false,"start_date":"2026-08-29T23:05:46Z","end_date":"2026-09-07T08:00:00Z","closed_time":null,"volume":1306.7259020000001,"volume_24hr":1148.575057,"prob_24h_change":0.05499999999999999,"volume_24h_change":1062.524212,"normalized_vol_24hr":18.890235900878906,"normalized_volume":15.108400344848633,"liquidity":23357.261,"categories":["Sports"],"countries":[],"updated_at":"2026-09-01T06:18:47.961575Z","fetched_at":"2026-09-01T06:18:47.961575Z","added_at":"2026-08-29T23:13:42.191656Z","url":"https://polymarket.com/event/atp-vasilev-serna-2026-08-31/atp-vasilev-serna-2026-08-31","event_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna","chart_24h":[0.31,0.31,0.31,0.34,0.36,0.305,0.345,0.385,0.355,0.305,0.365,0.375,0.375,0.375,0.375,0.375,0.375,0.375,0.37,0.37,0.37,0.37,0.365,0.365,0.365,0.365,0.365,0.365,0.37,0.365,0.365,0.365,0.365]},{"source":"polymarket","id":"3987238","event_id":"933286","slug":"atp-vasilev-serna-2026-08-31-first-set-total-8pt5","question":"Vasilev vs. Serna: Set 1 Games O/U 8.5","group_item_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna Set 1 O/U 8.5","description":"This market refers to the tennis match between Alexander Vasilev and Juan Manuel La Serna in the Plovdiv 3, originally scheduled for August 31, 2026 at 4:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed in the first set equals or exceeds 9. Otherwise, it will resolve to \"Under.\" Any first-set tiebreak counts as one (1) game.\nIf the match is postponed or suspended, this market will remain open until the first set has been completed. A postponement alone will not trigger a 50-50 resolution.\nIf the match is permanently abandoned before the first set is completed, or if the first set has not been completed by September 14, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered determined if it would have been guaranteed had the set been played to completion using the minimum number of additional games required. For example, for a line of 9.5, if play stops with the first set at 5-4, completing the set would have required at least 1 additional game, resulting in at least 10 games played, so \"Over\" would resolve as the winning outcome.\nThe primary resolution source for this market will be official Challenger statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[0.66,0.34],"probability":0.66,"spread":0.08,"active":true,"closed":false,"start_date":"2026-08-29T23:45:37Z","end_date":"2026-09-07T08:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.16000000000000003,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":1596.4258,"categories":["Sports"],"countries":[],"updated_at":"2026-09-01T07:27:37.187495Z","fetched_at":"2026-09-01T07:27:37.187495Z","added_at":"2026-08-29T23:51:04.553870Z","url":"https://polymarket.com/event/atp-vasilev-serna-2026-08-31/atp-vasilev-serna-2026-08-31-first-set-total-8pt5","event_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna","chart_24h":[0.5,0.5,0.51,0.515,0.51,0.59,0.595,0.585,0.585,0.58,0.575,0.575,0.59,0.595,0.595,0.66,0.595,0.605,0.66,0.66]},{"source":"polymarket","id":"3986395","event_id":"933286","slug":"atp-vasilev-serna-2026-08-31-completed-match","question":"Plovdiv 3: Completed Match: Alexander Vasilev vs Juan Manuel La Serna","group_item_title":"Completed Match","description":"This market refers to the tennis match between Alexander Vasilev and Juan Manuel La Serna in the Plovdiv 3, originally scheduled for August 31, 2026 at 4:00AM ET. This market will resolve to \"Yes\" if all games and sets required to determine a match winner under governing body or event organizer rules are played to completion through normal play. Otherwise, if the match is not completed for any reason, it will resolve to \"No.\" If a forfeit of any kind occurs, including but not limited to a walkover or retirement, this market will resolve \"No.\" If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 14, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to \"No.\" The primary resolution source for this market is the official statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 2 hours after the event's conclusion, a consensus of credible reporting may be used instead.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Yes","No"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":0.98,"active":true,"closed":false,"start_date":"2026-08-29T23:05:46Z","end_date":"2026-09-07T08:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":null,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.2,"categories":["Sports"],"countries":[],"updated_at":"2026-08-29T23:32:23.538508Z","fetched_at":"2026-08-29T23:32:23.538508Z","added_at":"2026-08-29T23:13:42.191656Z","url":"https://polymarket.com/event/atp-vasilev-serna-2026-08-31/atp-vasilev-serna-2026-08-31-completed-match","event_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna","chart_24h":null},{"source":"polymarket","id":"3987239","event_id":"933286","slug":"atp-vasilev-serna-2026-08-31-set-2-total-8pt5","question":"Vasilev vs. Serna: Set 2 Games O/U 8.5","group_item_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna Set 2 O/U 8.5","description":"This market refers to the tennis match between Alexander Vasilev and Juan Manuel La Serna in the Plovdiv 3, originally scheduled for August 31, 2026 at 4:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed in set 2 equals or exceeds 9. Otherwise, it will resolve to \"Under.\"\nAny tiebreak in set 2 counts as one (1) game toward the total.\nIf set 2 begins but is not completed, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered determined if it would have been guaranteed had the set been played to completion using the minimum number of additional games required. For example, for a line of 9.5, if play stops with set 2 at 5-4, completing the set would have required at least 1 additional game, resulting in at least 10 games played, so \"Over\" would resolve as the winning outcome.\nIf the match ends before set 2 is reached, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 14, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.\nResolution will be based on official Challenger results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":0.98,"active":true,"closed":false,"start_date":"2026-08-29T23:45:32Z","end_date":"2026-09-07T08:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.36,"categories":["Sports"],"countries":[],"updated_at":"2026-09-01T04:28:58.034631Z","fetched_at":"2026-09-01T04:28:58.034631Z","added_at":"2026-08-29T23:51:04.553870Z","url":"https://polymarket.com/event/atp-vasilev-serna-2026-08-31/atp-vasilev-serna-2026-08-31-set-2-total-8pt5","event_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna","chart_24h":[0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.505,0.5,0.5,0.5]},{"source":"polymarket","id":"3987243","event_id":"933286","slug":"atp-vasilev-serna-2026-08-31-set-2-total-9pt5","question":"Vasilev vs. Serna: Set 2 Games O/U 9.5","group_item_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna Set 2 O/U 9.5","description":"This market refers to the tennis match between Alexander Vasilev and Juan Manuel La Serna in the Plovdiv 3, originally scheduled for August 31, 2026 at 4:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed in set 2 equals or exceeds 10. Otherwise, it will resolve to \"Under.\"\nAny tiebreak in set 2 counts as one (1) game toward the total.\nIf set 2 begins but is not completed, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered determined if it would have been guaranteed had the set been played to completion using the minimum number of additional games required. For example, for a line of 9.5, if play stops with set 2 at 5-4, completing the set would have required at least 1 additional game, resulting in at least 10 games played, so \"Over\" would resolve as the winning outcome.\nIf the match ends before set 2 is reached, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 14, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.\nResolution will be based on official Challenger results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":0.98,"active":true,"closed":false,"start_date":"2026-08-29T23:45:41Z","end_date":"2026-09-07T08:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.36,"categories":["Sports"],"countries":[],"updated_at":"2026-09-01T04:28:58.034631Z","fetched_at":"2026-09-01T04:28:58.034631Z","added_at":"2026-08-29T23:51:04.553870Z","url":"https://polymarket.com/event/atp-vasilev-serna-2026-08-31/atp-vasilev-serna-2026-08-31-set-2-total-9pt5","event_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna","chart_24h":[0.5,0.5,0.5,0.5,0.5,0.505,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5]},{"source":"polymarket","id":"3987246","event_id":"933286","slug":"atp-vasilev-serna-2026-08-31-set-2-total-10pt5","question":"Vasilev vs. Serna: Set 2 Games O/U 10.5","group_item_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna Set 2 O/U 10.5","description":"This market refers to the tennis match between Alexander Vasilev and Juan Manuel La Serna in the Plovdiv 3, originally scheduled for August 31, 2026 at 4:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed in set 2 equals or exceeds 11. Otherwise, it will resolve to \"Under.\"\nAny tiebreak in set 2 counts as one (1) game toward the total.\nIf set 2 begins but is not completed, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered determined if it would have been guaranteed had the set been played to completion using the minimum number of additional games required. For example, for a line of 9.5, if play stops with set 2 at 5-4, completing the set would have required at least 1 additional game, resulting in at least 10 games played, so \"Over\" would resolve as the winning outcome.\nIf the match ends before set 2 is reached, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 14, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.\nResolution will be based on official Challenger results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":0.98,"active":true,"closed":false,"start_date":"2026-08-29T23:45:36Z","end_date":"2026-09-07T08:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.36,"categories":["Sports"],"countries":[],"updated_at":"2026-09-01T04:28:58.034631Z","fetched_at":"2026-09-01T04:28:58.034631Z","added_at":"2026-08-29T23:51:04.553870Z","url":"https://polymarket.com/event/atp-vasilev-serna-2026-08-31/atp-vasilev-serna-2026-08-31-set-2-total-10pt5","event_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna","chart_24h":[0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5]},{"source":"polymarket","id":"3987245","event_id":"933286","slug":"atp-vasilev-serna-2026-08-31-match-total-23pt5","question":"Vasilev vs. Serna: Match O/U 23.5","group_item_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna Match O/U 23.5","description":"This market refers to the tennis match between Alexander Vasilev and Juan Manuel La Serna in the Plovdiv 3, originally scheduled for August 31, 2026 at 4:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed equals or exceeds 24. Otherwise, it will resolve to \"Under.\" All tiebreaks, including any Champions/Super tiebreak, count as one (1) game.\nIf the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.\nIf the match is permanently abandoned before completion, or if the match has not been completed by September 14, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered determined if it would have been guaranteed had the match been played to completion using the minimum number of additional games required. For example, for a line of 21.5, if play stops at 6-3, 5-6, completing the match would have required at least 2 additional games, resulting in at least 22 games played, so \"Over\" would resolve as the winning outcome.\nThe primary resolution source for this market will be official Challenger statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[0.495,0.505],"probability":0.495,"spread":0.97,"active":true,"closed":false,"start_date":"2026-08-29T23:45:33Z","end_date":"2026-09-07T08:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":4.82,"categories":["Sports"],"countries":[],"updated_at":"2026-09-01T06:18:47.961575Z","fetched_at":"2026-09-01T06:18:47.961575Z","added_at":"2026-08-29T23:51:04.553870Z","url":"https://polymarket.com/event/atp-vasilev-serna-2026-08-31/atp-vasilev-serna-2026-08-31-match-total-23pt5","event_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna","chart_24h":[0.495,0.5,0.495,0.5,0.495,0.495]},{"source":"polymarket","id":"3987242","event_id":"933286","slug":"atp-vasilev-serna-2026-08-31-first-set-total-9pt5","question":"Vasilev vs. Serna: Set 1 Games O/U 9.5","group_item_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna Set 1 O/U 9.5","description":"This market refers to the tennis match between Alexander Vasilev and Juan Manuel La Serna in the Plovdiv 3, originally scheduled for August 31, 2026 at 4:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed in the first set equals or exceeds 10. Otherwise, it will resolve to \"Under.\" Any first-set tiebreak counts as one (1) game.\nIf the match is postponed or suspended, this market will remain open until the first set has been completed. A postponement alone will not trigger a 50-50 resolution.\nIf the match is permanently abandoned before the first set is completed, or if the first set has not been completed by September 14, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered determined if it would have been guaranteed had the set been played to completion using the minimum number of additional games required. For example, for a line of 9.5, if play stops with the first set at 5-4, completing the set would have required at least 1 additional game, resulting in at least 10 games played, so \"Over\" would resolve as the winning outcome.\nThe primary resolution source for this market will be official Challenger statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[0.47,0.53],"probability":0.47,"spread":0.12,"active":true,"closed":false,"start_date":"2026-08-29T23:45:32Z","end_date":"2026-09-07T08:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.030000000000000027,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":8.8016,"categories":["Sports"],"countries":[],"updated_at":"2026-09-01T07:27:37.187495Z","fetched_at":"2026-09-01T07:27:37.187495Z","added_at":"2026-08-29T23:51:04.553870Z","url":"https://polymarket.com/event/atp-vasilev-serna-2026-08-31/atp-vasilev-serna-2026-08-31-first-set-total-9pt5","event_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna","chart_24h":[0.5,0.5,0.46,0.465,0.46,0.465,0.465,0.46,0.7,0.46,0.465,0.46,0.47,0.465,0.46,0.47]},{"source":"polymarket","id":"3987237","event_id":"933286","slug":"atp-vasilev-serna-2026-08-31-match-total-21pt5","question":"Vasilev vs. Serna: Match O/U 21.5","group_item_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna Match O/U 21.5","description":"This market refers to the tennis match between Alexander Vasilev and Juan Manuel La Serna in the Plovdiv 3, originally scheduled for August 31, 2026 at 4:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed equals or exceeds 22. Otherwise, it will resolve to \"Under.\" All tiebreaks, including any Champions/Super tiebreak, count as one (1) game.\nIf the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.\nIf the match is permanently abandoned before completion, or if the match has not been completed by September 14, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered determined if it would have been guaranteed had the match been played to completion using the minimum number of additional games required. For example, for a line of 21.5, if play stops at 6-3, 5-6, completing the match would have required at least 2 additional games, resulting in at least 22 games played, so \"Over\" would resolve as the winning outcome.\nThe primary resolution source for this market will be official Challenger statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[0.46,0.54],"probability":0.46,"spread":0.06,"active":true,"closed":false,"start_date":"2026-08-29T23:45:33Z","end_date":"2026-09-07T08:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.03999999999999998,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":6768.1899,"categories":["Sports"],"countries":[],"updated_at":"2026-09-01T07:44:01.691912Z","fetched_at":"2026-09-01T07:44:01.691912Z","added_at":"2026-08-29T23:51:04.553870Z","url":"https://polymarket.com/event/atp-vasilev-serna-2026-08-31/atp-vasilev-serna-2026-08-31-match-total-21pt5","event_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna","chart_24h":[0.5,0.47,0.465,0.47,0.465,0.465,0.465,0.47,0.475,0.47,0.465,0.47,0.47,0.475,0.455,0.455,0.46,0.465,0.46,0.465,0.46,0.465]},{"source":"polymarket","id":"3987244","event_id":"933286","slug":"atp-vasilev-serna-2026-08-31-set-handicap-away-1pt5","question":"Set Handicap: Serna (-1.5) vs Vasilev (+1.5)","group_item_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna Set Handicap +/-1.5","description":"This market refers to the tennis match between Juan Manuel La Serna and Alexander Vasilev in the Plovdiv 3, originally scheduled for August 31, 2026 at 4:00AM ET.\nThis market will resolve to \"Serna\" if Juan Manuel La Serna wins by 2 or more sets than Alexander Vasilev, based on the final completed score. Otherwise, it will resolve to \"Vasilev.\"\nIf the match begins but is not completed due to retirement, default, or disqualification, this market will resolve 50-50, unless the outcome of this market has already been unconditionally determined by the completed portion of play. For example, if the deciding set has begun when the match ends, Juan Manuel La Serna can no longer win by 2 or more sets, and this market will resolve to \"Vasilev.\"\nIf the match is canceled before play begins, or a result has not been determined by September 14, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.\nResolution will be based on official Challenger results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Serna","Vasilev"],"outcome_prices":[0.425,0.575],"probability":0.425,"spread":0.03,"active":true,"closed":false,"start_date":"2026-08-29T23:45:32Z","end_date":"2026-09-07T08:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.07500000000000001,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":6842.6633,"categories":["Sports"],"countries":[],"updated_at":"2026-09-01T02:42:49.599747Z","fetched_at":"2026-09-01T02:42:49.599747Z","added_at":"2026-08-29T23:51:04.553870Z","url":"https://polymarket.com/event/atp-vasilev-serna-2026-08-31/atp-vasilev-serna-2026-08-31-set-handicap-away-1pt5","event_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna","chart_24h":[0.5,0.5,0.5,0.45,0.445,0.44,0.445,0.445,0.45,0.435,0.43,0.435,0.435,0.43,0.43,0.425]},{"source":"polymarket","id":"3987235","event_id":"933286","slug":"atp-vasilev-serna-2026-08-31-set-2-winner-Vasilev-vs-Serna","question":"Set 2 Winner: Vasilev vs Serna","group_item_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna Set 2 Winner","description":"This market refers to the tennis match between Alexander Vasilev and Juan Manuel La Serna in the Plovdiv 3, originally scheduled for August 31, 2026 at 4:00AM ET.\nThis market will resolve to “Vasilev” if Alexander Vasilev wins set 2. It will resolve to “Serna” if Juan Manuel La Serna wins set 2.\nIf the match begins but set 2 is not completed with a winner determined (including the match ending before set 2 is reached), this market will resolve 50-50.\nIf the match is canceled (not played at all) or play has not begun by September 14, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.\nResolution will be based on official Challenger match statistics.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Vasilev","Serna"],"outcome_prices":[0.395,0.605],"probability":0.395,"spread":0.19,"active":true,"closed":false,"start_date":"2026-08-29T23:45:33Z","end_date":"2026-09-07T08:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.04500000000000004,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":1658.411,"categories":["Sports"],"countries":[],"updated_at":"2026-09-01T06:52:50.402709Z","fetched_at":"2026-09-01T06:52:50.402709Z","added_at":"2026-08-29T23:51:04.553870Z","url":"https://polymarket.com/event/atp-vasilev-serna-2026-08-31/atp-vasilev-serna-2026-08-31-set-2-winner-Vasilev-vs-Serna","event_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna","chart_24h":[0.35,0.365,0.385,0.395,0.39,0.39,0.395,0.39,0.395,0.39,0.395,0.39,0.395]},{"source":"polymarket","id":"3987241","event_id":"933286","slug":"atp-vasilev-serna-2026-08-31-match-total-22pt5","question":"Vasilev vs. Serna: Match O/U 22.5","group_item_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna Match O/U 22.5","description":"This market refers to the tennis match between Alexander Vasilev and Juan Manuel La Serna in the Plovdiv 3, originally scheduled for August 31, 2026 at 4:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed equals or exceeds 23. Otherwise, it will resolve to \"Under.\" All tiebreaks, including any Champions/Super tiebreak, count as one (1) game.\nIf the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.\nIf the match is permanently abandoned before completion, or if the match has not been completed by September 14, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered determined if it would have been guaranteed had the match been played to completion using the minimum number of additional games required. For example, for a line of 21.5, if play stops at 6-3, 5-6, completing the match would have required at least 2 additional games, resulting in at least 22 games played, so \"Over\" would resolve as the winning outcome.\nThe primary resolution source for this market will be official Challenger statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[0.35,0.65],"probability":0.35,"spread":0.68,"active":true,"closed":false,"start_date":"2026-08-29T23:45:39Z","end_date":"2026-09-07T08:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.14500000000000002,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":68.87,"categories":["Sports"],"countries":[],"updated_at":"2026-09-01T07:44:01.691912Z","fetched_at":"2026-09-01T07:44:01.691912Z","added_at":"2026-08-29T23:51:04.553870Z","url":"https://polymarket.com/event/atp-vasilev-serna-2026-08-31/atp-vasilev-serna-2026-08-31-match-total-22pt5","event_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna","chart_24h":[0.495,0.5,0.485,0.47,0.485,0.485,0.485,0.46,0.47,0.48,0.495,0.495,0.495,0.495,0.47,0.48,0.475,0.48,0.285,0.32,0.335]},{"source":"polymarket","id":"3987236","event_id":"933286","slug":"atp-vasilev-serna-2026-08-31-set-totals-2pt5","question":"Alexander Vasilev vs. Juan Manuel La Serna: Total Sets O/U 2.5","group_item_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna Total Sets: O/U 2.5","description":"This market refers to the tennis match between Alexander Vasilev and Juan Manuel La Serna in the Plovdiv 3, originally scheduled for August 31, 2026 at 4:00AM ET.\nIf the match is played to completion, this market will resolve to \"Over\" if the total number of sets played equals or exceeds 3, and to \"Under\" otherwise. A set counts as played once it has begun, even if it is not played to completion. A super tie breaker is considered as one (1) set.\nIf the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.\nIf a player retires, withdraws, is defaulted, or is disqualified, or the match otherwise begins but is not completed, this market will resolve based on any outcome that was already unequivocally determined at the time play stopped. An outcome is considered determined if it would have been guaranteed had the match been played to completion using the minimum number of additional sets required. For example, for a line of 2.5, if play stops with the players at one set each, completing the match would have required at least one additional set, resulting in at least 3 sets played, so \"Over\" would resolve as the winning outcome. If neither outcome was already determined at the time play stopped, this market will resolve 50-50.\nIf the match is canceled, or has not been completed by September 14, 2026, 11:59 PM ET, this market will resolve 50-50, unless an outcome was already unequivocally determined as described above.\nThe primary resolution source for this market will be official Challenger statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over 2.5","Under 2.5"],"outcome_prices":[0.345,0.655],"probability":0.345,"spread":0.03,"active":true,"closed":false,"start_date":"2026-08-29T23:45:37Z","end_date":"2026-09-07T08:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.15000000000000002,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":6848.3936,"categories":["Sports"],"countries":[],"updated_at":"2026-09-01T02:42:49.599747Z","fetched_at":"2026-09-01T02:42:49.599747Z","added_at":"2026-08-29T23:51:04.553870Z","url":"https://polymarket.com/event/atp-vasilev-serna-2026-08-31/atp-vasilev-serna-2026-08-31-set-totals-2pt5","event_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna","chart_24h":[0.495,0.5,0.5,0.355,0.355,0.355,0.35,0.355,0.355,0.35,0.35,0.345]},{"source":"polymarket","id":"3987247","event_id":"933286","slug":"atp-vasilev-serna-2026-08-31-first-set-total-10pt5","question":"Vasilev vs. Serna: Set 1 Games O/U 10.5","group_item_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna Set 1 O/U 10.5","description":"This market refers to the tennis match between Alexander Vasilev and Juan Manuel La Serna in the Plovdiv 3, originally scheduled for August 31, 2026 at 4:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed in the first set equals or exceeds 11. Otherwise, it will resolve to \"Under.\" Any first-set tiebreak counts as one (1) game.\nIf the match is postponed or suspended, this market will remain open until the first set has been completed. A postponement alone will not trigger a 50-50 resolution.\nIf the match is permanently abandoned before the first set is completed, or if the first set has not been completed by September 14, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered determined if it would have been guaranteed had the set been played to completion using the minimum number of additional games required. For example, for a line of 9.5, if play stops with the first set at 5-4, completing the set would have required at least 1 additional game, resulting in at least 10 games played, so \"Over\" would resolve as the winning outcome.\nThe primary resolution source for this market will be official Challenger statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[0.235,0.765],"probability":0.235,"spread":0.11,"active":true,"closed":false,"start_date":"2026-08-29T23:45:42Z","end_date":"2026-09-07T08:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.265,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":1219.3583,"categories":["Sports"],"countries":[],"updated_at":"2026-09-01T01:17:54.201846Z","fetched_at":"2026-09-01T01:17:54.201846Z","added_at":"2026-08-29T23:51:04.553870Z","url":"https://polymarket.com/event/atp-vasilev-serna-2026-08-31/atp-vasilev-serna-2026-08-31-first-set-total-10pt5","event_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna","chart_24h":[0.5,0.5,0.49,0.485,0.49,0.345,0.345,0.35,0.35,0.345,0.35,0.345,0.355,0.34,0.345,0.235,0.345,0.34,0.235]},{"source":"polymarket","id":"3987240","event_id":"933286","slug":"atp-vasilev-serna-2026-08-31-set-handicap-home-1pt5","question":"Set Handicap: Vasilev (-1.5) vs Serna (+1.5)","group_item_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna Set Handicap +/-1.5","description":"This market refers to the tennis match between Alexander Vasilev and Juan Manuel La Serna in the Plovdiv 3, originally scheduled for August 31, 2026 at 4:00AM ET.\nThis market will resolve to \"Vasilev\" if Alexander Vasilev wins by 2 or more sets than Juan Manuel La Serna, based on the final completed score. Otherwise, it will resolve to \"Serna.\"\nIf the match begins but is not completed due to retirement, default, or disqualification, this market will resolve 50-50, unless the outcome of this market has already been unconditionally determined by the completed portion of play. For example, if the deciding set has begun when the match ends, Alexander Vasilev can no longer win by 2 or more sets, and this market will resolve to \"Serna.\"\nIf the match is canceled before play begins, or a result has not been determined by September 14, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.\nResolution will be based on official Challenger results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Vasilev","Serna"],"outcome_prices":[0.225,0.775],"probability":0.225,"spread":0.03,"active":true,"closed":false,"start_date":"2026-08-29T23:45:38Z","end_date":"2026-09-07T08:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.275,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":5312.2687,"categories":["Sports"],"countries":[],"updated_at":"2026-09-01T02:42:49.599747Z","fetched_at":"2026-09-01T02:42:49.599747Z","added_at":"2026-08-29T23:51:04.553870Z","url":"https://polymarket.com/event/atp-vasilev-serna-2026-08-31/atp-vasilev-serna-2026-08-31-set-handicap-home-1pt5","event_title":"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna","chart_24h":[0.5,0.5,0.235,0.25,0.255,0.245,0.25,0.25,0.24,0.23,0.235,0.235,0.23,0.23,0.225]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/polymarket/933286","as_of":"2026-09-01T07:52:40.371331Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"Plovdiv 3: Alexander Vasilev vs Juan Manuel La Serna\" — top market at 36% probability across 16 outcomes","source_url":null}}