{"source":"polymarket","id":"530272","ticker":"itf-otsuka-mats-2026-05-28","slug":"itf-otsuka-mats-2026-05-28","title":"ITF Karuizawa: Kentaro Otsuka vs Koki Matsuda","description":"This market refers to the tennis match between Kentaro Otsuka and Koki Matsuda in the ITF Men Karuizawa, originally scheduled for May 27, 2026 at 9:00PM ET.\n\nThis market will resolve to 'Kentaro Otsuka' if Kentaro Otsuka advances against Koki Matsuda.\n\nThis market will resolve to 'Koki Matsuda' if Koki Matsuda advances against Kentaro Otsuka.\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 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","active":false,"closed":true,"start_date":"2026-05-27T10:17:51.277501Z","end_date":"2026-06-04T01:00:00Z","closed_time":"2026-05-28T04:31:10Z","volume":8479.138812999998,"volume_24hr":8479.138813,"volume_24h_change":null,"normalized_vol_24hr":28.549610137939453,"normalized_volume":18.643190383911133,"liquidity":0.0,"open_interest":8451.587513,"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":"2026-05-28T04:45:24.128275Z","fetched_at":"2026-05-28T04:45:24.128275Z","added_at":"2026-05-27T11:22:23.150852Z","url":"https://polymarket.com/event/itf-otsuka-mats-2026-05-28","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,13.333332,13.333332,13.333332,13.333332,13.333332,13.333332,13.333332,13.333332,153.462025,379.552933,379.552933,771.5629149999999,8430.576609,8479.138813,8479.138813,8479.138813,8479.138813],"markets":[{"source":"polymarket","id":"2369043","event_id":"530272","slug":"itf-otsuka-mats-2026-05-28","question":"ITF Karuizawa: Kentaro Otsuka vs Koki Matsuda","group_item_title":null,"description":"This market refers to the tennis match between Kentaro Otsuka and Koki Matsuda in the ITF Men Karuizawa, originally scheduled for May 27, 2026 at 9:00PM ET.\n\nThis market will resolve to 'Kentaro Otsuka' if Kentaro Otsuka advances against Koki Matsuda.\n\nThis market will resolve to 'Koki Matsuda' if Koki Matsuda advances against Kentaro Otsuka.\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 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","outcomes":["Kentaro Otsuka","Koki Matsuda"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-05-27T10:03:35.384546Z","end_date":"2026-06-04T01:00:00Z","closed_time":"2026-05-28T04:31:10Z","volume":8479.138812999998,"volume_24hr":8479.138813,"prob_24h_change":-0.5,"volume_24h_change":8479.138813,"normalized_vol_24hr":31.989864349365234,"normalized_volume":24.00554847717285,"liquidity":0.0,"categories":["Sports"],"updated_at":"2026-05-28T04:45:25.590001Z","fetched_at":"2026-05-28T04:45:24.148304Z","added_at":"2026-05-27T11:22:23.202481Z","url":"https://polymarket.com/event/itf-otsuka-mats-2026-05-28/itf-otsuka-mats-2026-05-28","event_title":"ITF Karuizawa: Kentaro Otsuka vs Koki Matsuda","chart_24h":[0.5,0.5,0.09,0.1,0.1,0.08,0.085,0.08,0.495,0.085,0.14,0.14,0.12,0.14,0.14,0.1,0.105,0.11,0.075,0.0365,0.0005,0.0]},{"source":"polymarket","id":"2369044","event_id":"530272","slug":"itf-otsuka-mats-2026-05-28-completed-match","question":"ITF Men Karuizawa: Completed Match: Kentaro Otsuka vs Koki Matsuda","group_item_title":"Completed Match","description":"This market refers to the tennis match between Kentaro Otsuka and Koki Matsuda in the ITF Men Karuizawa, originally scheduled for May 27, 2026 at 9:00PM 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/itf-5206dc6c54.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","outcomes":["Yes","No"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-05-27T10:04:28.342424Z","end_date":"2026-06-04T01:00:00Z","closed_time":"2026-05-28T04:31:10Z","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"],"updated_at":"2026-05-28T04:45:25.590001Z","fetched_at":"2026-05-28T04:45:24.148304Z","added_at":"2026-05-27T11:22:23.202481Z","url":"https://polymarket.com/event/itf-otsuka-mats-2026-05-28/itf-otsuka-mats-2026-05-28-completed-match","event_title":"ITF Karuizawa: Kentaro Otsuka vs Koki Matsuda","chart_24h":[0.5,0.5,0.5,0.5,0.9995,1.0]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/polymarket/530272","as_of":"2026-05-28T06:25:09.484872Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"ITF Karuizawa: Kentaro Otsuka vs Koki Matsuda\" — top market at 0% probability across 2 outcomes","source_url":null}}