This market refers to the tennis match between Tristan McCormick and Goncalo Marques in the ITF M25 Idanha-a-Nova 2 Men, originally scheduled for August 21, 2026 at 6:00AM ET. This market will resolve to 'Tristan McCormick' if Tristan McCormick advances against Goncalo Marques. This market will resolve to 'Goncalo Marques' if Goncalo Marques advances against Tristan McCormick. 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.