This market refers to the tennis match between Aleksander Chayka and Filip Martinovic in the M15 Szabolcsveresmart, Main Draw, originally scheduled for October 13, 2026 at 6:00AM ET. This market will resolve to 'Aleksander Chayka' if Aleksander Chayka advances against Filip Martinovic. This market will resolve to 'Filip Martinovic' if Filip Martinovic advances against Aleksander Chayka. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 27, 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.