Madrid Open: Katerina Siniakova vs Caty McNally

This market refers to the tennis match between Katerina Siniakova and Caty McNally in the Madrid Open, originally scheduled for April 26, 2026 at 5:00AM ET. This market will resolve to 'Katerina Siniakova' if Katerina Siniakova advances against Caty McNally. This market will resolve to 'Caty McNally' if Caty McNally advances against Katerina Siniakova. 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,