Japan Women's Open, Qualification: Ena Koike vs Kayla Day

This market refers to the tennis match between Ena Koike and Kayla Day in the Japan Women's Open, Qualification, originally scheduled for October 16, 2026 at 10:30PM ET. This market will resolve to 'Ena Koike' if Ena Koike advances against Kayla Day. This market will resolve to 'Kayla Day' if Kayla Day advances against Ena Koike. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 30, 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.