Croatia Open: Damir Dzumhur vs Matteo Arnaldi Set 1 O/U 8.5

Event Rules

This market refers to the tennis match between Damir Dzumhur and Matteo Arnaldi in the Croatia Open, originally scheduled for July 16, 2026 at 12:00PM ET. This market will resolve to 'Damir Dzumhur' if Damir Dzumhur advances against Matteo Arnaldi. This market will resolve to 'Matteo Arnaldi' if Matteo Arnaldi advances against Damir Dzumhur. 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 ATP Tour. A consensus of credible reporting may also be used.