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Prediction market on polymarket. This market refers to the tennis match between Kayla Day and Ella McDonald in the W50 Berkeley, CA, originally scheduled for September 26, 2026 at 2:00PM ET. This market will resolve to “Kayla Day” if Kayla Day wins the first set. It will resolve to “Ella McDonald” if Ella McDonald 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 October 10, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50. Resolution will be based on official ITF match statistics.
Resolves: 10/3/2026.