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Prediction market on polymarket. This market refers to the tennis match between Naomi Osaka and Anastasia Zakharova in the US Open WTA, originally scheduled for August 30, 2026 at 11:00AM ET. This market will resolve to “Osaka” if Naomi Osaka wins the first set. It will resolve to “Zakharova” if Anastasia Zakharova wins the first set. If 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. If the match is canceled (not played at all) or play has not begun by September 13, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50. Resolution will be based on official Grand Slam match statistics.
Resolves: 9/6/2026.