Oeiras 4: Sofia Costoulas vs Elena Pridankina

This market refers to the tennis match between Sofia Costoulas and Elena Pridankina in the Oeiras 4, originally scheduled for April 22, 2026 at 5:00AM ET. This market will resolve to 'Sofia Costoulas' if Sofia Costoulas advances against Elena Pridankina. This market will resolve to 'Elena Pridankina' if Elena Pridankina advances against Sofia Costoulas. 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,