Two-time defending champion Sabalenka is into the fourth round at the Australian Open Coco Gauff of the U.S. plays a forehand return to Leylah Fernandez of Canada during their third round match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 17, 2025. (AP Photo/Vincent Thian)
Carlos Alcaraz of Spain plays a forehand return to Alexander Shevchenko of Kazakhstan during their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 13, 2025. (AP Photo/Vincent Thian)
Alexander Zverev of Germany waves after defeating Jacob Fearnley of Britain in their third round match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 17, 2025. (AP Photo/Vincent Thian)
Alejandro Davidovich Fokina of Spain celebrates aftre defeating Jakub Mensik of the Czech Republic in their third round match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 17, 2025. (AP Photo/Ng Han Guan)
Alejandro Davidovich Fokina, left, of Spain is congratulated by Jakub Mensik of the Czech Republic following their third round match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 17, 2025. (AP Photo/Ng Han Guan)
Tommy Paul of the U.S. celebrates after defeating Roberto Carballes Baena of Spain in their third round match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 17, 2025. (AP Photo/Manish Swarup)
Paula Badosa of Spain reacts as she is interviewed on court following her third round win over Marta Kostyuk of Ukraine at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 17, 2025. (AP Photo/Ng Han Guan)
Marta Kostyuk of Ukraine reacts during her third round match against Paula Badosa of Spain at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 17, 2025. (AP Photo/Ng Han Guan)
Novak Djokovic of Serbia plays a backhand return to Tomas Machac of the Czech Republic during their third round match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 17, 2025. (AP Photo/Asanka Brendon Ratnayake)
Coco Gauff, left, of the U.S. is congratulated by Leylah Fernandez of Canada following their third round match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 17, 2025. (AP Photo/Vincent Thian)
Coco Gauff of the U.S. waves after defeating Leylah Fernandez of Canada in their third round match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 17, 2025. (AP Photo/Vincent Thian)
Aryna Sabalenka of Belarus plays a forehand return to Clara Tauson of Denmark during their third round match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 17, 2025. (AP Photo/Asanka Brendon Ratnayake)
Aryna Sabalenka of Belarus reacts during her third round match against Clara Tauson of Denmark at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 17, 2025. (AP Photo/Asanka Brendon Ratnayake)
Naomi Osaka of Japan leaves the court after retiring from her third round match against Belinda Bencic of Switzerland at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 17, 2025. (AP Photo/Manish Swarup)
Naomi Osaka of Japan is embraced by Belinda Bencic, right, of Switzerland after she retired from their third round match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 17, 2025. (AP Photo/Manish Swarup)
Novak Djokovic of Serbia reacts after winning a point against Tomas Machac of the Czech Republic during their third round match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 17, 2025. (AP Photo/Asanka Brendon Ratnayake)
Carlos Alcaraz of Spain reacts after defeating Nuno Borges of Portugal in their third round match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 17, 2025. (AP Photo/Asanka Brendon Ratnayake)
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Coco Gauff of the U.S. plays a forehand return to Leylah Fernandez of Canada during their third round match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 17, 2025. (AP Photo/Vincent Thian)