M15 Heraklion: Thomas Kostka vs Marcus Walters

This market refers to the tennis match between Thomas Kostka and Marcus Walters in the M15 Heraklion, Main Draw, originally scheduled for October 7, 2026 at 4:00AM ET. This market will resolve to 'Thomas Kostka' if Thomas Kostka advances against Marcus Walters. This market will resolve to 'Marcus Walters' if Marcus Walters advances against Thomas Kostka. 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.