Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova

Kalshi — primary rule

If Ashlyn Krueger wins the Krueger vs Siniakova professional tennis match in the 2026 WTA Osaka Final after a ball has been played, then the market resolves to Yes.

Polymarket — resolution criteria

This market refers to the tennis match between Ashlyn Krueger and Katerina Siniakova in the Japan Women's Open, originally scheduled for October 25, 2026 at 12:30AM ET. This market will resolve to 'Ashlyn Krueger' if Ashlyn Krueger advances against Katerina Siniakova. This market will resolve to 'Katerina Siniakova' if Katerina Siniakova advances against Ashlyn Krueger. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 8, 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.