Fernandez vs Chwalinska — Leylah Fernandez

Kalshi — primary rule

If Leylah Fernandez wins the Fernandez vs Chwalinska professional tennis match in the 2026 WTA Singapore Semifinal after a ball has been played, then the market resolves to Yes.

Polymarket — resolution criteria

This market refers to the tennis match between Leylah Fernandez and Maja Chwalinska in the Singapore Open, originally scheduled for September 26, 2026 at 12:30AM ET. This market will resolve to 'Leylah Fernandez' if Leylah Fernandez advances against Maja Chwalinska. This market will resolve to 'Maja Chwalinska' if Maja Chwalinska advances against Leylah Fernandez. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 10, 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.