Preston vs Korneeva — Taylah Preston

Kalshi — primary rule

If Taylah Preston wins the Preston vs Korneeva professional tennis match in the 2026 WTA Seoul Quarterfinal after a ball has been played, then the market resolves to Yes.

Polymarket — resolution criteria

This market refers to the tennis match between Taylah Preston and Alina Korneeva in the Korea Open, originally scheduled for September 25, 2026 at 2:00AM ET. This market will resolve to 'Taylah Preston' if Taylah Preston advances against Alina Korneeva. This market will resolve to 'Alina Korneeva' if Alina Korneeva advances against Taylah Preston. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 9, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If 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. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.