ITF Harmon: Youssef Kadiri Hassani vs Hiromasa Koyama

This market refers to the tennis match between Youssef Kadiri Hassani and Hiromasa Koyama in the ITF Men Harmon, originally scheduled for June 5, 2026 at 9:00PM ET. This market will resolve to 'Youssef Kadiri Hassani' if Youssef Kadiri Hassani advances against Hiromasa Koyama. This market will resolve to 'Hiromasa Koyama' if Hiromasa Koyama advances against Youssef Kadiri Hassani. 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.

• Resolver: official source.
• Deadline: closing date in UTC.
• Disputed outcomes: handled by moderators within 48 hours.