Madrid Open: Magdalena Frech vs Katerina Siniakova

This market refers to the tennis match between Magdalena Frech and Katerina Siniakova in the Madrid Open, originally scheduled for April 21, 2026 at 5:00AM ET. This market will resolve to 'Magdalena Frech' if Magdalena Frech advances against Katerina Siniakova. This market will resolve to 'Katerina Siniakova' if Katerina Siniakova advances against Magdalena Frech. 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