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Prediction market on polymarket. This market refers to the tennis match between Tatiana Prozorova and Sofia Costoulas in the Singapore Open, originally scheduled for September 20, 2026 at 10:00PM ET. This market will resolve to "Tatiana Prozorova" if Tatiana Prozorova wins by 2 or more sets than Sofia Costoulas, based on the final completed score. Otherwise, it will resolve to "Sofia Costoulas." If the match begins but is not completed due to retirement, default, or disqualification, this market will resolve 50-50, unless the outcome of this market has already been unconditionally determined by the completed portion of play under the match format published by the tournament organizer for that round. For example, if the deciding set has begun when the match ends, Tatiana Prozorova can no longer win by 2 or more sets, and this market will resolve to "Sofia Costoulas." If the match is canceled before play begins, or a result has not been determined by October 4, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50. Resolution will be based on official WTA results.
Resolves: 9/28/2026.