This market refers to the tennis match between Stefan Kozlov and Aidan Mayo in the Brownsburg, originally scheduled for August 11, 2026 at 1:00PM ET. This market will resolve to 'Stefan Kozlov' if Stefan Kozlov advances against Aidan Mayo. This market will resolve to 'Aidan Mayo' if Aidan Mayo advances against Stefan Kozlov. 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 ATP Tour. A consensus of credible reporting may also be used.