New York, Sept. 10 -- Coco Gauff overcame a set deficit and saved two match points in a dramatic second-set tiebreak to defeat fifth seed Mirra Andreeva 2-6, 7-6 (7), 6-2 and reach the US Open semifinals for the second time.

Gauff, the 2023 champion, completed the comeback in two hours and 19 minutes on Arthur Ashe Stadium on Wednesday to extend her perfect record against Andreeva to 6-0, according to the WTA website.

The American appeared close to elimination when Andreeva earned a second match point on her own serve in the tiebreak, but Gauff held her nerve to force a deciding set. She then took control, winning the final set 6-2 to seal her place in the last four.

A crucial moment came earlier in the tiebreak when the two players en...