This market refers to the tennis match between Thanaphat Boosarawongse and Marcel Zielinski in the ITF M15 Trier Men, originally scheduled for August 13, 2026 at 9:00AM ET. This market will resolve to 'Thanaphat Boosarawongse' if Thanaphat Boosarawongse advances against Marcel Zielinski. This market will resolve to 'Marcel Zielinski' if Marcel Zielinski advances against Thanaphat Boosarawongse. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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.