This market refers to the tennis match between Tereza Valentova and Shuai Zhang in the Japan Women's Open, originally scheduled for October 18, 2026 at 9:00PM ET. This market will resolve to 'Tereza Valentova' if Tereza Valentova advances against Shuai Zhang. This market will resolve to 'Shuai Zhang' if Shuai Zhang advances against Tereza Valentova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 1, 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.