The world No. 2 stayed loose in the tightest moments to knock the Australian Open champion out of Roland Garros.

Second-seeded Coco Gauff defeated fellow American Madison Keys 6-7 (6), 6-4, 6-1, in the French Open quarterfinals on Wednesday.

Coco Gauff overcame 10 double-faults and the first set she’s dropped in the tournament to beat Madison Keys 6-7 (6), 6-4, 6-1 at the French Open and reach the semifinals for the third time.