This market refers to the tennis match between Rafalentino Ali Da Costa and Keisuke Saitoh in the ITF Men Bali, originally scheduled for July 29, 2026 at 11:00PM ET. This market will resolve to 'Rafalentino Ali Da Costa' if Rafalentino Ali Da Costa advances against Keisuke Saitoh. This market will resolve to 'Keisuke Saitoh' if Keisuke Saitoh advances against Rafalentino Ali Da Costa. 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.