Madrid Open, Qualification: Sloane Stephens vs Anhelina Kalinina

This market refers to the tennis match between Sloane Stephens and Anhelina Kalinina in the Madrid Open, Qualification, originally scheduled for April 21, 2026 at 8:00AM ET. This market will resolve to 'Sloane Stephens' if Sloane Stephens advances against Anhelina Kalinina. This market will resolve to 'Anhelina Kalinina' if Anhelina Kalinina advances against Sloane Stephens. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date withou