
Jannik Sinner of Italy celebrates after defeating Alexander Zverev of Germany in the men's singles final at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 26, 2025. (AP Photo/Manish Swarup)

Jannik Sinner of Italy celebrates after defeating Alexander Zverev of Germany in the men's singles final at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 26, 2025.(AP Photo/Mark Baker)

Alexander Zverev of Germany reacts as he speaks following his loss in the men's singles final against Jannik Sinner of Italy at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 26, 2025. (AP Photo/Asanka Brendon Ratnayake)

Jannik Sinner of Italy plays a backhand return to Alexander Zverev of Germany during the men's singles final at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 26, 2025. (AP Photo/Asanka Brendon Ratnayake)

Jannik Sinner of Italy gestures as he carries the Norman Brookes Challenge Cup after defeating Alexander Zverev of Germany in the men's singles final at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 26, 2025. (AP Photo/Asanka Brendon Ratnayake)

Jannik Sinner of Italy plays a forehand to Alexander Zverev of Germany during the men's singles final at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 26, 2025. (AP Photo/Vincent Thian)

Jannik Sinner of Italy holds the Norman Brookes Challenge Cup after defeating Alexander Zverev of Germany in the men's singles final at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 26, 2025. (AP Photo/Vincent Thian)

Madison Keys of the U.S. holds the Daphne Akhurst Memorial Cup after defeating Aryna Sabalenka of Belarus in the women's singles final at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 25, 2025. (AP Photo/Ng Han Guan)

Madison Keys of the U.S. plays a backhand return to Aryna Sabalenka of Belarus during the women's singles final at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 25, 2025. (AP Photo/Asanka Brendon Ratnayake)

Jannik Sinner of Italy celebrates after defeating Alexander Zverev of Germany in the men's singles final at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 26, 2025. (AP Photo/Manish Swarup)

Jannik Sinner, right, of Italy holds the Norman Brookes Challenge Cup after defeating Alexander Zverev of Germany in the men's singles final at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 26, 2025. (AP Photo/Ng Han Guan)

Madison Keys of the U.S.kisses the Daphne Akhurst Memorial Cup after defeating Aryna Sabalenka of Belarus in the women's singles final at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 25, 2025. (AP Photo/Vincent Thian)

Madison Keys, right, of the U.S. reacts as she holds the Daphne Akhurst Memorial Cup after defeating Aryna Sabalenka, left, of Belarus in the women's singles final at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 25, 2025. (AP Photo/Asanka Brendon Ratnayake)

Madison Keys, center, of the U.S. is embraced by her team as she holds the Daphne Akhurst Memorial Cup after defeating Aryna Sabalenka of Belarus in the women's singles final at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 25, 2025. (AP Photo/Asanka Brendon Ratnayake)

Jannik Sinner of Italy holds the Norman Brookes Challenge Cup aloft after defeating Alexander Zverev of Germany in the men's singles final at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 26, 2025. (AP Photo/Ng Han Guan)

Alexander Zverev of Germany stands next to Darren Cahill, left, coach of Jannik Sinner of Italy following his loss at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 26, 2025. (AP Photo/Asanka Brendon Ratnayake)

Madison Keys of the U.S. kisses the Daphne Akhurst Memorial Cup after defeating Aryna Sabalenka of Belarus in the women's singles final at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 25, 2025. (AP Photo/Ng Han Guan)

Jannik Sinner of Italy, left, is congratulated by Alexander Zverev of Germany following the men's singles final at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 26, 2025. (AP Photo/Vincent Thian)

Madison Keys, center, of the U.S. reacts as she receives the the Daphne Akhurst Memorial Cup from Evonne Goolagong Cawley after defeating Aryna Sabalenka of Belarus in the women's singles final at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 25, 2025. (AP Photo/Ng Han Guan)

Jannik Sinner of Italy holds the Norman Brookes Challenge Cup after defeating Alexander Zverev of Germany in the men's singles final at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 26, 2025. (AP Photo/Manish Swarup)

Aryna Sabalenka of Belarus reacts after the women's singles final against Madison Keys of the U.S. at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 25, 2025. (AP Photo/Asanka Brendon Ratnayake)

Jannik Sinner of Italy celebrates after defeating Alexander Zverev of Germany in the men's singles final at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 26, 2025. (AP Photo/Vincent Thian)

Jannik Sinner of Italy kisses the Norman Brookes Challenge Cup after defeating Alexander Zverev of Germany in the men's singles final at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 26, 2025. (AP Photo/Asanka Brendon Ratnayake)

Aryna Sabalenka of Belarus plays a backhand return to Madison Keys of the U.S.during the women's singles final at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 25, 2025. (AP Photo/Asanka Brendon Ratnayake)

Aryna Sabalenka of Belarus places a bag of ice to her face during the women's singles final against Madison Keys of the U.S. at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 25, 2025. (AP Photo/Ng Han Guan)

Jannik Sinner of Italy celebrates after defeating Alexander Zverev of Germany in the men's singles final at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 26, 2025. (AP Photo/Asanka Brendon Ratnayake)

Aryna Sabalenka of Belarus reacts during the women's singles final against Madison Keys of the U.S. at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 25, 2025. (AP Photo/Ng Han Guan)

Alexander Zverev of Germany plays a backhand to Jannik Sinner of Italy in the men's singles final at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 26, 2025. (AP Photo/Vincent Thian)

Madison Keys of the U.S. holds the Daphne Akhurst Memorial Cup aloft after defeating Aryna Sabalenka of Belarus in the women's singles final at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 25, 2025. (AP Photo/Manish Swarup)

Aryna Sabalenka of Belarus plays a forehand to Madison Keys of the U.S. during the women's singles final at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 25, 2025. (AP Photo/Manish Swarup)