Botic van De Zandschulp, right, of the Netherlands, greets Carlos Alcaraz, of Spain, during the second round of the U.S. Open tennis championships, Thursday, Aug. 29, 2024, in New York. (AP Photo/Matt Rourke)
Jannik Sinner, of Italy, reacts after scoring a point against Alex Michelsen, of the United States, during the second round of the U.S. Open tennis championships, Thursday, Aug. 29, 2024, in New York. (AP Photo/Julia Nikhinson)
Iga Swiatek, of Poland, waves to the crowd after defeating Ena Shibahara, of Japan, during the second round of the U.S. Open tennis championships, Thursday, Aug. 29, 2024, in New York. (AP Photo/Julia Nikhinson)
Karolina Pliskova, of the Czech Republic, checks her ankle before retiring against Jasmine Paolini, of Italy, during the second round of the U.S. Open tennis championships, Thursday, Aug. 29, 2024, in New York. (AP Photo/Kirsty Wigglesworth)
Naomi Osaka, of Japan, returns a shot to Karolina Muchova, of the Czech Republic, during the second round of the U.S. Open tennis championships, Thursday, Aug. 29, 2024, in New York. (AP Photo/Matt Rourke)
Jasmine Paolini, of Italy, prepares to hit autographed balls to fans after advancing to the next round when opponent Karolina Pliskova, of the Czech Republic, retired during the second round of the U.S. Open tennis championships, Thursday, Aug. 29, 2024, in New York. (AP Photo/Kirsty Wigglesworth)
Jordan Thompson, of Australia, reacts after scoring a point against Hubert Hurkacz, of Poland, during the second round of the U.S. Open tennis championships, Thursday, Aug. 29, 2024, in New York. (AP Photo/Pamela Smith)
Jannik Sinner, of Italy, returns a shot to Alex Michelsen, of the United States, during the second round of the U.S. Open tennis championships, Thursday, Aug. 29, 2024, in New York. (AP Photo/Julia Nikhinson)
Hubert Hurkacz, of Poland, returns a shot to Jordan Thompson, of Australia, during the second round of the U.S. Open tennis championships, Thursday, Aug. 29, 2024, in New York. (AP Photo/Pamela Smith)
Iga Swiatek, of Poland, returns a shot to Ena Shibahara, of Japan, during the second round of the U.S. Open tennis championships, Thursday, Aug. 29, 2024, in New York. (AP Photo/Julia Nikhinson)