Thirty-nine-year-old Hsieh, who last year retired from singles, is also defending her mixed doubles title with partner Jan Zielinski of Poland, with whom she won at Wimbledon last year. The sixth seeds are today to play Irina Khromacheva of Russia and Jackson Withrow of the US in the second round.

MELBOURNE (AFP) – World number one Aryna Sabalenka swept into the Australian Open quarter-finals on Sunday and was joined by Coco Gauff, while Novak Djokovic and Carlos Alcaraz can later set up a blockbuster clash.

Coco Gauff said Sunday she felt "invincible" after the recent United Cup and is not fazed about dropping her first set in nine matches this season in reaching the Australian Open quarter-finals.

World number one Aryna Sabalenka swept into the quarter-finals at a scorching-hot Australian Open on Sunday and was joined by Coco Gauff, while Carlos Alcaraz advanced when Jack Draper retired.

An imperious Aryna Sabalenka stayed on course for a historic third consecutive Australian Open crown on Sunday, while Novak Djokovic and Carlos Alcaraz can later set up a blockbuster quarter-final. The prize for the winner is a meeting with either Carlos Alcaraz or Britain's Jack Draper for a place in the semi-finals.

Day 8 action kicked-off with world no 1 Aryna Sabalenka sealing her spot in the quarter-final with a routine victory over Mirra Andreeva. India's Rohan Bopanna will be on the court in the mixed doubles action.

Novak Djokovic surged into an Australian Open quarter-final clash against Carlos Alcaraz with a dominant straight-sets victory on Sunday while women's world number one Aryna Sabalenka was a ruthless winner.

Eight women remain in the 2025 Australian Open, and three of them are Americans. That group of quarterfinalists is headlined by No. 3 seed Coco Gauff and includes No. 8 Emma Navarro and No. 19 Madison Keys. Gauff, 20, will look to continue her hot start to the season when she meets No. 11 Paula Badosa of Spain at 7:30 ET on Monday night.

Coco Gauff rallied from a set down to beat Belinda Bencic 5-7 6-2 6-1 on Sunday to reach the quarter-finals of the Australian Open and extend her winning streak from the start of the season to nine matches.

The business end is fast approaching at Melbourne Park, as the first fourth-round matches were played on Sunday (January 19, 2025) with quarter-final spots up for grabs. Two-time defending champion Aryna Sabalenka raced into the quarter-finals thanks to an 18th successive Australian Open victory,

Iga Swiatek’s one-month suspension for failing a drug test will not be appealed by the World Anti-Doping Agency

Coco Gauff wrote "RIP TikTok USA" and drew a broken heart on a camera lens shortly after reaching the Australian Open quarter-finals on Sunday after the popular app used by 170 million Americans stopped working in the United States.