Daniil Medvedev, of Russia, reacts after defeating Flavio Cobolli, of Italy, during the third round of the U.S. Open tennis championships, Saturday, Aug. 31, in New York. 2024. (AP Photo/Matt Rourke)
Jack Draper, of Great Britain, misses a shot from Botic van De Zandschulp, of the Netherlands, during the third round of the U.S. Open tennis championships, Saturday, Aug. 31, in New York. 2024. (AP Photo/Adam Hunger)
Jannik Sinner, of Italy, returns a shot to Christopher O'Connell, of Australia, during the third round of the U.S. Open tennis championships, Saturday, Aug. 31, 2024, in New York. (AP Photo/Julia Nikhinson)
Jannik Sinner, of Italy, reacts after scoring a point against Christopher O'Connell, of Australia, during the third round of the U.S. Open tennis championships, Saturday, Aug. 31, 2024, in New York. (AP Photo/Julia Nikhinson)
Serena Williams, far left, watches play between Jannik Sinner, of Italy, and Christopher O'Connell, of Australia, during the third round of the U.S. Open tennis championships, Saturday, Aug. 31, 2024, in New York. (AP Photo/Julia Nikhinson)
Jannik Sinner, of Italy, returns a shot to Christopher O'Connell, of Australia, during the third round of the U.S. Open tennis championships, Saturday, Aug. 31, 2024, in New York. (AP Photo/Julia Nikhinson)
Gabriel Diallo, of Canada,, left, greets Tommy Paul, of the United States, at the net after Paul won their third round match of the U.S. Open tennis championships, Saturday, Aug. 31, 2024, in New York. (AP Photo/Kirsty Wigglesworth)
Flavio Cobolli, of Italy, returns a shot to Daniil Medvedev, of Russia, during the third round of the U.S. Open tennis championships, Saturday, Aug. 31, in New York. 2024. (AP Photo/Matt Rourke)
Jasmine Paolini, of Italy, reacts after scoring a point against Yulia Putintseva, of Kazakhstan, of the United States, during the third round of the U.S. Open tennis championships, Saturday, Aug. 31, 2024, in New York. (AP Photo/Kirsty Wigglesworth)
Botic van De Zandschulp, of the Netherlands, reacts after losing to Jack Draper, of Great Britain, during the third round of the U.S. Open tennis championships, Saturday, Aug. 31, in New York. 2024. (AP Photo/Adam Hunger)
Tommy Paul, of the United States, falls to the court after returning a shot to Gabriel Diallo, of Canada, during the third round of the U.S. Open tennis championships, Saturday, Aug. 31, 2024, in New York. (AP Photo/Kirsty Wigglesworth)
Christopher O'Connell, of Australia, reacts after losing a point to Jannik Sinner, of Italy, during the third round of the U.S. Open tennis championships, Saturday, Aug. 31, 2024, in New York. (AP Photo/Julia Nikhinson)
Jessica Pegula, of the United States, prepares for a serve from Jessica Bouzas Maneiro, of Spain, during the third round of the U.S. Open tennis championships, Saturday, Aug. 31, 2024, in New York. (AP Photo/Julia Nikhinson)
Karolina Muchova, of the Czech Republic, reacts after defeating Anastasia Potapova, of Russia, during the third round of the U.S. Open tennis championships, Saturday, Aug. 31, 2024, in New York. (AP Photo/Adam Huger)
Daniil Medvedev, of Russia, returns a shot to Flavio Cobolli, of Italy, during the third round of the U.S. Open tennis championships, Saturday, Aug. 31, in New York. 2024. (AP Photo/Matt Rourke)
Tomas Machac, of the Czech Republic, watches after his return shot to David Goffin, of Belgium, during the third round of the U.S. Open tennis championships, Saturday, Aug. 31, 2024, in New York. (AP Photo/Julia Nikhinson)