Birrell vs Ito — Kimberly Birrell

Kalshi — primary rule

If Kimberly Birrell wins the Birrell vs Ito professional tennis match in the 2026 WTA Tokyo Qualification Round 1 after a ball has been played, then the market resolves to Yes.

Polymarket — resolution criteria

This market refers to the tennis match between Kimberly Birrell and Aoi Ito in the Pan Pacific Open, Qualification, originally scheduled for October 24, 2026 at 12:30AM ET. This market will resolve to 'Kimberly Birrell' if Kimberly Birrell advances against Aoi Ito. This market will resolve to 'Aoi Ito' if Aoi Ito advances against Kimberly Birrell. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 7, 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.