This market refers to the tennis match between Mathys Domenc and Petros Tsitsipas in the M15 Heraklion, Main Draw, originally scheduled for October 7, 2026 at 6:30AM ET. This market will resolve to 'Mathys Domenc' if Mathys Domenc advances against Petros Tsitsipas. This market will resolve to 'Petros Tsitsipas' if Petros Tsitsipas advances against Mathys Domenc. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 21, 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.