This market refers to the tennis match between Nathan Walters and Imanol Lopez Morillo in the ITF M25 Santander Men, originally scheduled for August 18, 2026 at 4:00AM ET. This market will resolve to 'Nathan Walters' if Nathan Walters advances against Imanol Lopez Morillo. This market will resolve to 'Imanol Lopez Morillo' if Imanol Lopez Morillo advances against Nathan Walters. 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.