This market refers to the tennis match between Aren Baybars and Mario Mansilla Diez in the M25 Valencia, Qualifying, originally scheduled for November 3, 2026 at 4:30AM ET. This market will resolve to 'Aren Baybars' if Aren Baybars advances against Mario Mansilla Diez. This market will resolve to 'Mario Mansilla Diez' if Mario Mansilla Diez advances against Aren Baybars. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 17, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.