
Alex Michelsen of the U.S. plays a forehand return to Stefanos Tsitsipas of Greece during their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 13, 2025. (AP Photo/Ng Han Guan)

Alex Michelsen of the U.S. reacts after winning a point against Stefanos Tsitsipas of Greece during their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 13, 2025. (AP Photo/Ng Han Guan)

Coco Gauff of the U.S. plays a backhand return to Sofia Kenin of the U.S. during their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 13, 2025. (AP Photo/Asanka Brendon Ratnayake)

Coco Gauff of the U.S. serves to Sofia Kenin of the U.S.during their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 13, 2025. (AP Photo/Asanka Brendon Ratnayake)

Iga Swiatek of Poland plays a backhand return to Katerina Siniakova of the Czech Republic during their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 13, 2025. (AP Photo/Ng Han Guan)

Jannik Sinner of Italy serves to Nicolas Jarry of Chile during their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 13, 2025. (AP Photo/Asanka Brendon Ratnayake)

Jannik Sinner of Italy reacts after winning a point against Nicolas Jarry of Chile during their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 13, 2025. (AP Photo/Asanka Brendon Ratnayake)

Stefanos Tsitsipas of Greece reacts during a break in his first round match against Alex Michelsen of the U.S. at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 13, 2025. (AP Photo/Ng Han Guan)

Coco Gauff, left, of the U.S. is congratulated by compatriot Sofia Kenin following their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 13, 2025. (AP Photo/Asanka Brendon Ratnayake)

Frances Tiafoe of the U.S. celebrates after defeating Arthur Rinderknech of France in their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 13, 2025. (AP Photo/Vincent Thian)

Stefanos Tsitsipas of Greece reacts after winning a point against Alex Michelsen of the U.S. during their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 13, 2025. (AP Photo/Ng Han Guan)

Sofia Kenin of the U.S. plays a backhand return to Coco Gauff of the U.S. during their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 13, 2025. (AP Photo/Asanka Brendon Ratnayake)

Iga Swiatek of Poland waves after defeating Katerina Siniakova of the Czech Republic in their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 13, 2025. (AP Photo/Ng Han Guan)