This market refers to the tennis match between Marcus Walters and Nikolai Barsukov in the Monastir, Tunisia, Qualifying, originally scheduled for November 8, 2026 at 7:20AM ET. This market will resolve to 'Marcus Walters' if Marcus Walters advances against Nikolai Barsukov. This market will resolve to 'Nikolai Barsukov' if Nikolai Barsukov advances against Marcus Walters. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 22, 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 ATP Tour. A consensus of credible reporting may also be used.