Rei Sakamoto vs Billy Harris

This market refers to the tennis match between Rei Sakamoto and Billy Harris in the ATP Seoul Challanger, originally scheduled for October 30, 2026 at 01:00 UTC. This market will resolve to 'Rei Sakamoto' if Rei Sakamoto advances against Billy Harris. This market will resolve to 'Billy Harris' if Billy Harris advances against Rei Sakamoto. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 13, 2026, 23:59 UTC (14 days after the scheduled start), 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.