This market refers to the tennis match between Dimitris Sakellaridis and Pyotr Nesterov in the ITF M25 Muttenz Men, originally scheduled for August 12, 2026 at 6:30AM ET. This market will resolve to 'Dimitris Sakellaridis' if Dimitris Sakellaridis advances against Pyotr Nesterov. This market will resolve to 'Pyotr Nesterov' if Pyotr Nesterov advances against Dimitris Sakellaridis. 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.