Coco Gauff has lost in the Australian Open quarterfinals to Paula Badosa 7-5, 6-4. Tuesday’s result ended a 13-match unbeaten run that dated to last season for Gauff, the 2023 U.S.

Coco Gauff lost to Spain’s Paula Badosa on Tuesday in the Australian Open. After back problems that saw her fall in the rankings from No. 2 to No. 140, the Spanish player’s determination halted Gauff’s hot streak.

Coco Gauff's unbeaten start to 2025 is over. So are her hopes of winning the Australian Open. The third-seeded Gauff, 9-0 on the year and unbeaten in 13 straight matches entering the day, was swept by 11th-seeded Paula Badosa of Spain 7-5,