ITF Harmon: Hiromasa Koyama vs Colin Sinclair

This market refers to the tennis match between Hiromasa Koyama and Colin Sinclair in the ITF Men Harmon, originally scheduled for June 4, 2026 at 10:15PM ET. This market will resolve to 'Hiromasa Koyama' if Hiromasa Koyama advances against Colin Sinclair. This market will resolve to 'Colin Sinclair' if Colin Sinclair advances against Hiromasa Koyama. 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.