Kayla Day vs Kimberly Birrell

This market refers to the tennis match between Kayla Day and Kimberly Birrell in the WTA Japan Women's Open, originally scheduled for October 20, 2026 at 05:30 UTC. This market will resolve to 'Kayla Day' if Kayla Day advances against Kimberly Birrell. This market will resolve to 'Kimberly Birrell' if Kimberly Birrell advances against Kayla Day. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 3, 2026, 23:59 UTC (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.