This market refers to the tennis match between Abedallah Shelbayh and Aidan Mayo in the Columbus, originally scheduled for October 2, 2026 at 12:30PM ET. This market will resolve to 'Abedallah Shelbayh' if Abedallah Shelbayh advances against Aidan Mayo. This market will resolve to 'Aidan Mayo' if Aidan Mayo advances against Abedallah Shelbayh. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 16, 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.