Karolina Muchova, of the Czech Republic, reacts against Naomi Osaka, of Japan, during a second round match of the U.S. Open tennis championships, Thursday, Aug. 29, 2024, in New York. (AP Photo/Matt Rourke)
Naomi Osaka, of Japan, reacts after scring a point against 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)
Karolina Muchova, of the Czech Republic, shakes hands with Naomi Osaka, of Japan, after winning their second round of the U.S. Open tennis championships, Thursday, Aug. 29, 2024, in New York. (AP Photo/Matt Rourke)
Naomi Osaka, of Japan, walks onto the court during a second round match against Karolina Muchova, of the Czech Republic, of the U.S. Open tennis championships, Thursday, Aug. 29, 2024, in New York. (AP Photo/Matt Rourke)
Karolina Muchova, of the Czech Republic, returns a shot to Naomi Osaka, of Japan, during a second round match of the U.S. Open tennis championships, Thursday, Aug. 29, 2024, in New York. (AP Photo/Matt Rourke)
Naomi Osaka, of Japan, returns a shot to Karolina Muchova, of the Czech Republic, during a second round match of the U.S. Open tennis championships, Thursday, Aug. 29, 2024, in New York. (AP Photo/Matt Rourke)
Naomi Osaka, of Japan, serves 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)
Naomi Osaka, of Japan, returns a shot to Karolina Muchova, of the Czech Republic, during a second round match of the U.S. Open tennis championships, Thursday, Aug. 29, 2024, in New York. (AP Photo/Matt Rourke)
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)