{"source":"polymarket","id":"882947","ticker":"wta-doubles-hsieost-kemppan-2026-08-21","slug":"wta-doubles-hsieost-kemppan-2026-08-21","title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova","description":"This market refers to the doubles tennis match between Hsieh/Ostapenko and Kempen/Panova in the Cincinnati Open, originally scheduled for August 21, 2026 at 11:00AM ET.\n\nThis market will resolve to 'Hsieh/Ostapenko' if the team of Hsieh/Ostapenko advances against Kempen/Panova.\n\nThis market will resolve to 'Kempen/Panova' if the team of Kempen/Panova advances against Hsieh/Ostapenko.\n\nIf the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.\n\nIf the match begins but is not completed, and one team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances.\n\nIf the match ends in a walkover (a team 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 WTA Tour. A consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","active":false,"closed":true,"start_date":"2026-08-20T23:20:11Z","end_date":"2026-08-28T15:00:00Z","closed_time":"2026-08-21T17:04:48Z","volume":6192.778299999999,"volume_24hr":6192.778299999999,"volume_24h_change":null,"normalized_vol_24hr":28.892417907714844,"normalized_volume":17.35733413696289,"liquidity":null,"open_interest":5833.782623,"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":"Completed Match","top_outcome_probability":1.0,"top_outcome_prob_24h_change":0.5,"top_outcome_volume_24h_change":0.0,"updated_at":"2026-08-21T18:38:10.402423Z","fetched_at":"2026-08-21T18:38:10.402423Z","added_at":"2026-08-21T00:58:57.564265Z","url":"https://polymarket.com/event/wta-doubles-hsieost-kemppan-2026-08-21","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,6.25,6.25,6.25,6.25,12.5,399.450615,410.462518,1412.329644,6192.778299999999,6192.778299999999],"markets":[{"source":"polymarket","id":"3753016","event_id":"882947","slug":"wta-doubles-hsieost-kemppan-2026-08-21","question":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova","group_item_title":null,"description":"This market refers to the doubles tennis match between Hsieh/Ostapenko and Kempen/Panova in the Cincinnati Open, originally scheduled for August 21, 2026 at 11:00AM ET.\n\nThis market will resolve to 'Hsieh/Ostapenko' if the team of Hsieh/Ostapenko advances against Kempen/Panova.\n\nThis market will resolve to 'Kempen/Panova' if the team of Kempen/Panova advances against Hsieh/Ostapenko.\n\nIf the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.\n\nIf the match begins but is not completed, and one team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances.\n\nIf the match ends in a walkover (a team 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 WTA Tour. A consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Hsieh/Ostapenko","Kempen/Panova"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-08-20T23:20:11Z","end_date":"2026-08-28T15:00:00Z","closed_time":"2026-08-21T17:04:46Z","volume":6192.778299999999,"volume_24hr":6192.778299999999,"prob_24h_change":-0.75,"volume_24h_change":6192.778299999999,"normalized_vol_24hr":30.04532241821289,"normalized_volume":22.366914749145508,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-21T18:38:19.834982Z","fetched_at":"2026-08-21T18:38:10.652283Z","added_at":"2026-08-21T00:58:57.824693Z","url":"https://polymarket.com/event/wta-doubles-hsieost-kemppan-2026-08-21/wta-doubles-hsieost-kemppan-2026-08-21","event_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova","chart_24h":[0.75,0.75,0.775,0.77,0.775,0.78,0.765,0.775,0.78,0.79,0.79,0.805,0.63,0.0005,0.0]},{"source":"polymarket","id":"3753017","event_id":"882947","slug":"wta-doubles-hsieost-kemppan-2026-08-21-completed-match","question":"Cincinnati Open: Completed Match: Hsieh/Ostapenko vs Kempen/Panova","group_item_title":"Completed Match","description":"This market refers to the doubles tennis match between Hsieh/Ostapenko and Kempen/Panova in the Cincinnati Open, originally scheduled for August 21, 2026 at 11:00AM 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 is delayed beyond 7 days from the scheduled date without a winner determined, 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/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Yes","No"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-08-20T23:20:11Z","end_date":"2026-08-28T15:00:00Z","closed_time":"2026-08-21T17:04:48Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.5,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-21T18:38:19.834982Z","fetched_at":"2026-08-21T18:38:10.652283Z","added_at":"2026-08-21T00:58:57.824693Z","url":"https://polymarket.com/event/wta-doubles-hsieost-kemppan-2026-08-21/wta-doubles-hsieost-kemppan-2026-08-21-completed-match","event_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova","chart_24h":[0.5,0.5,0.5,0.9995,1.0]},{"source":"polymarket","id":"3753436","event_id":"882947","slug":"wta-doubles-hsieost-kemppan-2026-08-21-first-set-total-8pt5","question":"Hsieh/Ostapenko vs. Kempen/Panova: Set 1 Games O/U 8.5","group_item_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova Set 1 O/U 8.5","description":"This market refers to the tennis match between Hsieh/Ostapenko and Kempen/Panova in the Cincinnati Open, originally scheduled for August 21, 2026 at 11:00AM 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.\"\nAny first-set tiebreak counts as one (1) game toward the total.\nIf the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.\nResolution will be based on official WTA results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-08-20T23:44:20Z","end_date":"2026-08-28T15:00:00Z","closed_time":"2026-08-21T16:15:28Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.505,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-21T17:02:34.010575Z","fetched_at":"2026-08-21T17:01:04.827670Z","added_at":"2026-08-21T00:58:57.824693Z","url":"https://polymarket.com/event/wta-doubles-hsieost-kemppan-2026-08-21/wta-doubles-hsieost-kemppan-2026-08-21-first-set-total-8pt5","event_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova","chart_24h":[0.495,0.495,0.5,0.9995,1.0]},{"source":"polymarket","id":"3753437","event_id":"882947","slug":"wta-doubles-hsieost-kemppan-2026-08-21-set-2-total-8pt5","question":"Hsieh/Ostapenko vs. Kempen/Panova: Set 2 Games O/U 8.5","group_item_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova Set 2 O/U 8.5","description":"This market refers to the tennis match between Hsieh/Ostapenko and Kempen/Panova in the Cincinnati Open, originally scheduled for August 21, 2026 at 11:00AM 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 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.\nResolution will be based on official WTA results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-08-20T23:44:18Z","end_date":"2026-08-28T15:00:00Z","closed_time":"2026-08-21T17:04:46Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.505,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-21T18:38:19.834982Z","fetched_at":"2026-08-21T18:38:10.652283Z","added_at":"2026-08-21T00:58:57.824693Z","url":"https://polymarket.com/event/wta-doubles-hsieost-kemppan-2026-08-21/wta-doubles-hsieost-kemppan-2026-08-21-set-2-total-8pt5","event_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova","chart_24h":[0.495,0.495,0.5,0.5,0.9995,1.0]},{"source":"polymarket","id":"3753440","event_id":"882947","slug":"wta-doubles-hsieost-kemppan-2026-08-21-set-2-total-9pt5","question":"Hsieh/Ostapenko vs. Kempen/Panova: Set 2 Games O/U 9.5","group_item_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova Set 2 O/U 9.5","description":"This market refers to the tennis match between Hsieh/Ostapenko and Kempen/Panova in the Cincinnati Open, originally scheduled for August 21, 2026 at 11:00AM 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 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.\nResolution will be based on official WTA results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-08-20T23:44:31Z","end_date":"2026-08-28T15:00:00Z","closed_time":"2026-08-21T17:04:46Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.505,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-21T18:38:19.834982Z","fetched_at":"2026-08-21T18:38:10.652283Z","added_at":"2026-08-21T00:58:57.824693Z","url":"https://polymarket.com/event/wta-doubles-hsieost-kemppan-2026-08-21/wta-doubles-hsieost-kemppan-2026-08-21-set-2-total-9pt5","event_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova","chart_24h":[0.495,0.495,0.5,0.5,0.9995,1.0]},{"source":"polymarket","id":"3753442","event_id":"882947","slug":"wta-doubles-hsieost-kemppan-2026-08-21-set-handicap-away-1pt5","question":"Set Handicap: Kempen/Panova (-1.5) vs Hsieh/Ostapenko (+1.5)","group_item_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova Set Handicap +/-1.5","description":"This market refers to the tennis match between Kempen/Panova and Hsieh/Ostapenko in the Cincinnati Open, originally scheduled for August 21, 2026 at 11:00AM ET.\nThis market will resolve to \"Kempen/Panova\" if Kempen/Panova wins by 2 or more sets than Hsieh/Ostapenko, based on the final completed score. Otherwise, it will resolve to \"Hsieh/Ostapenko.\"\nIf the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.\nResolution will be based on official WTA results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Kempen/Panova","Hsieh/Ostapenko"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-08-20T23:44:31Z","end_date":"2026-08-28T15:00:00Z","closed_time":"2026-08-21T17:04:46Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.5,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-21T18:38:19.834982Z","fetched_at":"2026-08-21T18:38:10.652283Z","added_at":"2026-08-21T00:58:57.824693Z","url":"https://polymarket.com/event/wta-doubles-hsieost-kemppan-2026-08-21/wta-doubles-hsieost-kemppan-2026-08-21-set-handicap-away-1pt5","event_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova","chart_24h":[0.5,0.5,0.5,0.5,0.9995,1.0]},{"source":"polymarket","id":"3753445","event_id":"882947","slug":"wta-doubles-hsieost-kemppan-2026-08-21-set-2-total-10pt5","question":"Hsieh/Ostapenko vs. Kempen/Panova: Set 2 Games O/U 10.5","group_item_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova Set 2 O/U 10.5","description":"This market refers to the tennis match between Hsieh/Ostapenko and Kempen/Panova in the Cincinnati Open, originally scheduled for August 21, 2026 at 11:00AM 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 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.\nResolution will be based on official WTA results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-08-20T23:44:31Z","end_date":"2026-08-28T15:00:00Z","closed_time":"2026-08-21T17:04:46Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.505,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-21T18:38:19.834982Z","fetched_at":"2026-08-21T18:38:10.652283Z","added_at":"2026-08-21T00:58:57.824693Z","url":"https://polymarket.com/event/wta-doubles-hsieost-kemppan-2026-08-21/wta-doubles-hsieost-kemppan-2026-08-21-set-2-total-10pt5","event_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova","chart_24h":[0.495,0.495,0.5,0.5,0.9995,1.0]},{"source":"polymarket","id":"3753432","event_id":"882947","slug":"wta-doubles-hsieost-kemppan-2026-08-21-set-2-winner-Hsieh-Ostapenko-vs-Kempen-Panova","question":"Set 2 Winner: Hsieh/Ostapenko vs Kempen/Panova","group_item_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova Set 2 Winner","description":"This market refers to the tennis match between Hsieh/Ostapenko and Kempen/Panova in the Cincinnati Open, originally scheduled for August 21, 2026 at 11:00AM ET.\nThis market will resolve to “Hsieh/Ostapenko” if Hsieh/Ostapenko wins set 2. It will resolve to “Kempen/Panova” if Kempen/Panova 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 is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50.\nResolution will be based on official WTA match statistics.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Hsieh/Ostapenko","Kempen/Panova"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-08-20T23:44:29Z","end_date":"2026-08-28T15:00:00Z","closed_time":"2026-08-21T17:04:46Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.5,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-21T18:38:19.834982Z","fetched_at":"2026-08-21T18:38:10.652283Z","added_at":"2026-08-21T00:58:57.824693Z","url":"https://polymarket.com/event/wta-doubles-hsieost-kemppan-2026-08-21/wta-doubles-hsieost-kemppan-2026-08-21-set-2-winner-Hsieh-Ostapenko-vs-Kempen-Panova","event_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova","chart_24h":[0.5,0.5,0.75,0.745,0.5,0.0005,0.0]},{"source":"polymarket","id":"3753433","event_id":"882947","slug":"wta-doubles-hsieost-kemppan-2026-08-21-first-set-winner-Hsieh-Ostapenko-vs-Kempen-Panova","question":"Set 1 Winner: Hsieh/Ostapenko vs Kempen/Panova","group_item_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova Set 1 Winner","description":"This market refers to the tennis match between Hsieh/Ostapenko and Kempen/Panova in the Cincinnati Open, originally scheduled for August 21, 2026 at 11:00AM ET.\nThis market will resolve to “Hsieh/Ostapenko” if Hsieh/Ostapenko wins the first set. It will resolve to “Kempen/Panova” if Kempen/Panova 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 is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50.\nResolution will be based on official WTA match statistics.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Hsieh/Ostapenko","Kempen/Panova"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-08-20T23:44:29Z","end_date":"2026-08-28T15:00:00Z","closed_time":"2026-08-21T16:15:28Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.5,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-21T17:02:34.010575Z","fetched_at":"2026-08-21T17:01:04.827670Z","added_at":"2026-08-21T00:58:57.824693Z","url":"https://polymarket.com/event/wta-doubles-hsieost-kemppan-2026-08-21/wta-doubles-hsieost-kemppan-2026-08-21-first-set-winner-Hsieh-Ostapenko-vs-Kempen-Panova","event_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova","chart_24h":[0.5,0.5,0.745,0.75,0.755,0.75,0.0005,0.0]},{"source":"polymarket","id":"3753434","event_id":"882947","slug":"wta-doubles-hsieost-kemppan-2026-08-21-set-totals-2pt5","question":"Hsieh/Ostapenko vs. Kempen/Panova: Total Sets O/U 2.5","group_item_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova Total Sets: O/U 2.5","description":"This market refers to the tennis match between Hsieh/Ostapenko and Kempen/Panova in the Cincinnati Open, originally scheduled for August 21, 2026 at 11:00AM ET.\nThis market will resolve to \"Over\" if the total number of sets completed equals or exceeds 3. Otherwise, it will resolve to \"Under.\"\nA super tie breaker is considered as one (1) set for total set markets.\nIf the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.\nResolution will be based on official WTA statistics.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over 2.5","Under 2.5"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-08-20T23:44:19Z","end_date":"2026-08-28T15:00:00Z","closed_time":"2026-08-21T17:04:46Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.5,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-21T18:38:19.834982Z","fetched_at":"2026-08-21T18:38:10.652283Z","added_at":"2026-08-21T00:58:57.824693Z","url":"https://polymarket.com/event/wta-doubles-hsieost-kemppan-2026-08-21/wta-doubles-hsieost-kemppan-2026-08-21-set-totals-2pt5","event_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova","chart_24h":[0.5,0.5,0.5,0.5,0.0005,0.0]},{"source":"polymarket","id":"3753435","event_id":"882947","slug":"wta-doubles-hsieost-kemppan-2026-08-21-match-total-21pt5","question":"Hsieh/Ostapenko vs. Kempen/Panova: Match O/U 21.5","group_item_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova Match O/U 21.5","description":"This market refers to the tennis match between Hsieh/Ostapenko and Kempen/Panova in the Cincinnati Open, originally scheduled for August 21, 2026 at 11:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed across all sets equals or exceeds 22. Otherwise, it will resolve to \"Under.\"\nAll tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.\nIf the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.\nResolution will be based on official WTA statistics.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-08-20T23:44:31Z","end_date":"2026-08-28T15:00:00Z","closed_time":"2026-08-21T17:04:48Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.495,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-21T18:38:19.834982Z","fetched_at":"2026-08-21T18:38:10.652283Z","added_at":"2026-08-21T00:58:57.824693Z","url":"https://polymarket.com/event/wta-doubles-hsieost-kemppan-2026-08-21/wta-doubles-hsieost-kemppan-2026-08-21-match-total-21pt5","event_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova","chart_24h":[0.495,0.495,0.5,0.5,0.0005,0.0]},{"source":"polymarket","id":"3753438","event_id":"882947","slug":"wta-doubles-hsieost-kemppan-2026-08-21-set-handicap-home-1pt5","question":"Set Handicap: Hsieh/Ostapenko (-1.5) vs Kempen/Panova (+1.5)","group_item_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova Set Handicap +/-1.5","description":"This market refers to the tennis match between Hsieh/Ostapenko and Kempen/Panova in the Cincinnati Open, originally scheduled for August 21, 2026 at 11:00AM ET.\nThis market will resolve to \"Hsieh/Ostapenko\" if Hsieh/Ostapenko wins by 2 or more sets than Kempen/Panova, based on the final completed score. Otherwise, it will resolve to \"Kempen/Panova.\"\nIf the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.\nResolution will be based on official WTA results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Hsieh/Ostapenko","Kempen/Panova"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-08-20T23:44:29Z","end_date":"2026-08-28T15:00:00Z","closed_time":"2026-08-21T17:04:46Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.5,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-21T18:38:19.834982Z","fetched_at":"2026-08-21T18:38:10.652283Z","added_at":"2026-08-21T00:58:57.824693Z","url":"https://polymarket.com/event/wta-doubles-hsieost-kemppan-2026-08-21/wta-doubles-hsieost-kemppan-2026-08-21-set-handicap-home-1pt5","event_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova","chart_24h":[0.5,0.5,0.5,0.5,0.0005,0.0]},{"source":"polymarket","id":"3753439","event_id":"882947","slug":"wta-doubles-hsieost-kemppan-2026-08-21-match-total-22pt5","question":"Hsieh/Ostapenko vs. Kempen/Panova: Match O/U 22.5","group_item_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova Match O/U 22.5","description":"This market refers to the tennis match between Hsieh/Ostapenko and Kempen/Panova in the Cincinnati Open, originally scheduled for August 21, 2026 at 11:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed across all sets equals or exceeds 23. Otherwise, it will resolve to \"Under.\"\nAll tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.\nIf the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.\nResolution will be based on official WTA statistics.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-08-20T23:44:29Z","end_date":"2026-08-28T15:00:00Z","closed_time":"2026-08-21T17:04:46Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.495,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-21T18:38:19.834982Z","fetched_at":"2026-08-21T18:38:10.652283Z","added_at":"2026-08-21T00:58:57.824693Z","url":"https://polymarket.com/event/wta-doubles-hsieost-kemppan-2026-08-21/wta-doubles-hsieost-kemppan-2026-08-21-match-total-22pt5","event_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova","chart_24h":[0.495,0.495,0.5,0.5,0.0005,0.0]},{"source":"polymarket","id":"3753441","event_id":"882947","slug":"wta-doubles-hsieost-kemppan-2026-08-21-first-set-total-9pt5","question":"Hsieh/Ostapenko vs. Kempen/Panova: Set 1 Games O/U 9.5","group_item_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova Set 1 O/U 9.5","description":"This market refers to the tennis match between Hsieh/Ostapenko and Kempen/Panova in the Cincinnati Open, originally scheduled for August 21, 2026 at 11:00AM 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.\"\nAny first-set tiebreak counts as one (1) game toward the total.\nIf the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.\nResolution will be based on official WTA results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-08-20T23:44:20Z","end_date":"2026-08-28T15:00:00Z","closed_time":"2026-08-21T16:15:28Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.495,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-21T17:02:34.010575Z","fetched_at":"2026-08-21T17:01:04.827670Z","added_at":"2026-08-21T00:58:57.824693Z","url":"https://polymarket.com/event/wta-doubles-hsieost-kemppan-2026-08-21/wta-doubles-hsieost-kemppan-2026-08-21-first-set-total-9pt5","event_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova","chart_24h":[0.495,0.495,0.5,0.0005,0.0]},{"source":"polymarket","id":"3753443","event_id":"882947","slug":"wta-doubles-hsieost-kemppan-2026-08-21-match-total-23pt5","question":"Hsieh/Ostapenko vs. Kempen/Panova: Match O/U 23.5","group_item_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova Match O/U 23.5","description":"This market refers to the tennis match between Hsieh/Ostapenko and Kempen/Panova in the Cincinnati Open, originally scheduled for August 21, 2026 at 11:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed across all sets equals or exceeds 24. Otherwise, it will resolve to \"Under.\"\nAll tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.\nIf the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.\nResolution will be based on official WTA statistics.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-08-20T23:44:31Z","end_date":"2026-08-28T15:00:00Z","closed_time":"2026-08-21T17:04:46Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.495,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-21T18:38:19.834982Z","fetched_at":"2026-08-21T18:38:10.652283Z","added_at":"2026-08-21T00:58:57.824693Z","url":"https://polymarket.com/event/wta-doubles-hsieost-kemppan-2026-08-21/wta-doubles-hsieost-kemppan-2026-08-21-match-total-23pt5","event_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova","chart_24h":[0.495,0.495,0.5,0.5,0.0005,0.0]},{"source":"polymarket","id":"3753444","event_id":"882947","slug":"wta-doubles-hsieost-kemppan-2026-08-21-first-set-total-10pt5","question":"Hsieh/Ostapenko vs. Kempen/Panova: Set 1 Games O/U 10.5","group_item_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova Set 1 O/U 10.5","description":"This market refers to the tennis match between Hsieh/Ostapenko and Kempen/Panova in the Cincinnati Open, originally scheduled for August 21, 2026 at 11:00AM 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.\"\nAny first-set tiebreak counts as one (1) game toward the total.\nIf the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.\nResolution will be based on official WTA results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-08-20T23:44:26Z","end_date":"2026-08-28T15:00:00Z","closed_time":"2026-08-21T16:15:28Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.495,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-21T17:02:34.010575Z","fetched_at":"2026-08-21T17:01:04.827670Z","added_at":"2026-08-21T00:58:57.824693Z","url":"https://polymarket.com/event/wta-doubles-hsieost-kemppan-2026-08-21/wta-doubles-hsieost-kemppan-2026-08-21-first-set-total-10pt5","event_title":"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova","chart_24h":[0.495,0.495,0.5,0.0005,0.0]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/polymarket/882947","as_of":"2026-08-21T19:51:52.652627Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"Cincinnati Open (Doubles): Hsieh/Ostapenko vs Kempen/Panova\" — top market at 0% probability across 16 outcomes","source_url":null}}