FILE - Italy's Jannik Sinner returns the ball to Netherlands' Tallon Griekspoor during the Davis Cup final tennis match between Netherlands and Italy at the Martin Carpena Sports Hall in Malaga, southern Spain, Sunday, Nov. 24, 2024. (AP Photo/Manu Fernandez, File)

FILE - Daniil Medvedev of Russia hits a backhand to Jannik Sinner of Italy during the men's singles final at the Australian Open tennis championships at Melbourne Park, in Melbourne, Australia, Sunday, Jan. 28, 2024. (AP Photo/Louise Delmotte, File)

FILE - Serbia's Novak Djokovic returns the ball Spain's Carlos Alcaraz during the men's singles tennis final at the Roland Garros stadium during the 2024 Summer Olympics, Sunday, Aug. 4, 2024, in Paris, France. (AP Photo/Andy Wong, File)

FILE - Taylor Fritz, of the United States, returns a shot to Jannik Sinner, of Italy, during the men's singles final of the U.S. Open tennis championships, Sunday, Sept. 8, 2024, in New York. (AP Photo/Frank Franklin II, File)

FILE - Australia's Alex de Minaur returns the ball against Italy's Jannik Sinner during the Davis Cup semifinal at the Martin Carpena Sports Hall in Malaga, southern Spain, on Saturday, Nov. 23, 2024. (AP Photo/Manu Fernandez, File)

FILE - Carlos Alcaraz of Spain returns a shot from Jannik Sinner of Italy during their men's singles finals match of the China Open tennis tournament, at the National Tennis Center in Beijing, Wednesday, Oct. 2, 2024. (AP Photo/Achmad Ibrahim, File)