{"_meta":{"attribution":"Data aggregated by pdata.world (https://pdata.world) from 8 prediction-market venues; CC BY 4.0; source data © each venue.","canonical_url":"https://pdata.world/events/polymarket/1336422","as_of":"2026-11-10T04:54:43.738965Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"WTA Finals Doubles, Group 1 (Doubles): Guo/Mladenovic vs Hsieh/Ostapenko\" — 100% as of 2026-11-10 UTC. https://pdata.world/events/polymarket/1336422","source_url":"https://polymarket.com/event/wta-doubles-guomlad-hsieost-2026-11-09"},"source":"polymarket","id":"1336422","ticker":"wta-doubles-guomlad-hsieost-2026-11-09","slug":"wta-doubles-guomlad-hsieost-2026-11-09","title":"WTA Finals Doubles, Group 1 (Doubles): Guo/Mladenovic vs Hsieh/Ostapenko","description":"This market refers to the doubles tennis match between Guo/Mladenovic and Hsieh/Ostapenko in the WTA Finals Doubles, Group 1, originally scheduled for November 9, 2026 at 7:30PM ET.\n\nThis market will resolve to 'Guo/Mladenovic' if the team of Guo/Mladenovic advances against Hsieh/Ostapenko.\n\nThis market will resolve to 'Hsieh/Ostapenko' if the team of Hsieh/Ostapenko advances against Guo/Mladenovic.\n\nIf the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 23, 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 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. 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