
Ben Shelton of the U.S. serves to Gael Monfils of France during their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2025. (AP Photo/Manish Swarup)

Elina Svitolina of Ukraine celebrates after defeating Veronika Kudermetova of Russia in their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2025. (AP Photo/Asanka Brendon Ratnayake)

Jannik Sinner of Italy gestures as he talks with medical staff during his fourth round match against Holger Rune of Denmark at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2025. (AP Photo/Asanka Brendon Ratnayake)

Lorenzo Sonego of Italy celebrates after defeating Learner Tien of the U.S. in their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2025. (AP Photo/Ng Han Guan)

Learner Tien of the U.S. reacts during his fourth round win over Lorenzo Sonego of Italy at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2025. (AP Photo/Ng Han Guan)

Elina Svitolina of Ukraine sits during a break in her fourth round match against Veronika Kudermetova of Russia at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2025. (AP Photo/Asanka Brendon Ratnayake)

Emma Navarro of the U.S. reacts during her fourth round match against Daria Kasatkina of Russia at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2025. (AP Photo/Ng Han Guan)

Ben Shelton, right, of the U.S. embraces Gael Monfils of France after Monfils retired during their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2025. (AP Photo/Manish Swarup)

Jannik Sinner of Italy walks back onto Rod Laver Arena following an injury timeout during his fourth round match against Holger Rune of Denmark at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2025. (AP Photo/Asanka Brendon Ratnayake)

Jannik Sinner of Italy celebrates after defeating Holger Rune of Denmark in their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2025.(AP Photo/Asanka Brendon Ratnayake)

Jannik Sinner, left, of Italy is congratulated by Holger Rune of Denmark following their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2025.(AP Photo/Asanka Brendon Ratnayake)

Staff work on repairing the net during the fourth round match between Jannik Sinner of Italy and Holger Rune of Denmark at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2025. (AP Photo/Asanka Brendon Ratnayake)

Iga Swiatek of Poland waves after defeating Eva Lys of Germany in their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2025. (AP Photo/Asanka Brendon Ratnayake)

Alex Michelsen of the U.S. plays a backhand return during his fourth round match against Alex de Minaur of Australia at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2025.(AP Photo/Manish Swarup)

Emma Navarro, left, of the U.S. is congratulated by Daria Kasatkina of Russia following their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2025. (AP Photo/Ng Han Guan)

Holger Rune of Denmark receives treatment during his fourth round match against Jannik Sinner of Italy at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2025. (AP Photo/Asanka Brendon Ratnayake)

Madison Keys, right, of the U.S. is congratulated by Elena Rybakina of Kazakhstan following their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2025. (AP Photo/Manish Swarup)

Iga Swiatek of Poland plays a forehand return to Eva Lys of Germany during their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2025. (AP Photo/Vincent Thian)

Holger Rune of Denmark plays a backhand return to Jannik Sinner of Italy during their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2025. (AP Photo/Asanka Brendon Ratnayake)

Jannik Sinner of Italy reacts during his fourth round match against Holger Rune of Denmark at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2025. (AP Photo/Vincent Thian)

Emma Navarro of the U.S. celebrates after defeating Daria Kasatkina of Russia in their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2025. (AP Photo/Ng Han Guan)

Alex de Minaur of Australia reacts after winning a point against Alex Michelsen of the U.S. during their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2025. (AP Photo/Vincent Thian)

Madison Keys of the U.S. celebrates after defeating Elena Rybakina of Kazakhstan in their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2025. (AP Photo/Manish Swarup)

Jannik Sinner of Italy talks with his coaching staff as repairs are made too the net during his fourth round match against Holger Rune of Denmark at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2025. (AP Photo/Asanka Brendon Ratnayake)