In her last Grand Slam quarterfinal, the Spaniard fell apart in New York. She took the lessons to Gauff in Melbourne, and won.

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 of the U.S. reacts during her quarterfinal match against Paula Badosa of Spain during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan.

Coco Gauff got over the speed bump that tripped her up in the past two Grand Slams, beating Belinda Bencic of Switzerland in three sets Sunday to advance to the Australian Open quarterfinals. Gauff, one of the biggest stars in the sport,

Coco Gauff and Tommy Paul became the latest Americans ousted from the 2025 Australian Open, losing respective quarterfinal matches Tuesday in Melbourne. Top-ranked Belarusian Aryna Sabalenka advanced to the semifinals.

Coco Gauff’s fast start to the year came to an end at the Australian Open as she fell to a 7-5, 6-4 quarterfinal defeat against Paula Badosa.

Spain's Paula Badosa stunned error-prone third seed Coco Gauff 7-5 6-4 in the quarter-finals of the Australian Open on Tuesday to reach the last four of a Grand Slam for the first time at the third attempt.