Will Čilić, Marin win the 2026 Men's Singles tournament at the Madrid Open?

This market will resolve to the player that wins the 2026 Madrid Open Men’s Singles Tournament scheduled for April 20 - May 3, 2026. If at any point it becomes impossible for a listed player to win the 2026 Madrid Open Men’s Singles Tournament per the rules of the tournament, the corresponding market will resolve to “No”. If the 2026 Madrid Open Men’s Singles Tournament is cancelled, postponed after May 17, 2026, or there is otherwise no winner declared within that timeframe, this market will resolve to “Other”. The primary resolution source will be official information from the Madrid Open (https://mutuamadridopen.com/); however, a consensus of credible reporting may also be used.