Karolina Muchova ended Coco Gauff’s run at Wimbledon in a drama-filled tiebreaker to reach the final.

The No. 7 seed came back from one set down to defeat her fellow American, No. 4 Jessica Pegula, 4-6, 6-3, 6-3, to reach her first Wimbledon semifinal.

Coco Gauff overcame a shaky start and beat Jessica Pegula 4-6, 6-3, 6-3 to reach the Wimbledon semifinals for the first time.