In her last Grand Slam quarterfinal, the Spaniard imploded in New York. She is taking the lessons into her match with Gauff in Melbourne.

No. 11 seed Paula Badosa of Spain upset American Coco Gauff, the No. 3 seed, in straight sets at the Australian Open quarterfinals.

Coco Gauff sees her 13-match winning streak come to an end in a 7-5, 6-4 loss to Paula Badosa in the quarterfinals of the Australian Open.

The world No. 3 missed the chance to return to the semifinal stage after an inspired performance from the former world No. 2

Coco Gauff has lost in the Australian Open quarterfinals to Paula Badosa 7-5, 6-4. MELBOURNE, Australia — Coco Gauff's retooled forehand and serve abandoned her in the worst way and at the worst time at the Australian Open.