Aryna Sabalenka, of Belarus, reacts after scoring a point against Emma Navarro, of the United States, during the women's singles semifinals of the U.S. Open tennis championships, Thursday, Sept. 5, 2024, in New York. (AP Photo/Julia Nikhinson)
Karolina Muchova, of the Czech Republic, reacts after losing a point to Jessica Pegula, of the United States, during the women's singles semifinals of the U.S. Open tennis championships, Thursday, Sept. 5, 2024, in New York. (AP Photo/Julia Nikhinson)
Emma Navarro, of the United States, returns a shot to Aryna Sabalenka, of Belarus, during the women's singles semifinals of the U.S. Open tennis championships, Thursday, Sept. 5, 2024, in New York. (AP Photo/Julia Nikhinson)
Aryna Sabalenka, of Belarus, reacts against Emma Navarro, of the United States, during the women's singles semifinals of the U.S. Open tennis championships, Thursday, Sept. 5, 2024, in New York. (AP Photo/Seth Wenig)
Aryna Sabalenka, of Belarus, returns a shot to Emma Navarro, of the United States, during the women's singles semifinals of the U.S. Open tennis championships, Thursday, Sept. 5, 2024, in New York. (AP Photo/Frank Franklin II)
Jessica Pegula, of the United States, reacts after defeating Karolina Muchova, of the Czech Republic, during the women's singles semifinals of the U.S. Open tennis championships, Thursday, Sept. 5, 2024, in New York. (AP Photo/Julia Nikhinson)
Jessica Pegula, of the United States, returns a shot to Karolina Muchova, of the Czech Republic, during the women's singles semifinals of the U.S. Open tennis championships, Thursday, Sept. 5, 2024, in New York. (AP Photo/Frank Franklin II)
Aryna Sabalenka, of Belarus, reacts against Emma Navarro, of the United States, during the women's singles semifinals of the U.S. Open tennis championships, Thursday, Sept. 5, 2024, in New York. (AP Photo/Kirsty Wigglesworth)
Emma Navarro, of the United States, returns a shot to Aryna Sabalenka, of Belarus, during the women's singles semifinals of the U.S. Open tennis championships, Thursday, Sept. 5, 2024, in New York. (AP Photo/Frank Franklin II)
Aryna Sabalenka, of Belarus, reacts after winning the first set against Emma Navarro, of the United States, during the women's singles semifinals of the U.S. Open tennis championships, Thursday, Sept. 5, 2024, in New York. (AP Photo/Seth Wenig)
Emma Navarro, of the United States, takes a break between games against Aryna Sabalenka, of Belarus, during the women's singles semifinals of the U.S. Open tennis championships, Thursday, Sept. 5, 2024, in New York. (AP Photo/Frank Franklin II)
Martina Navratilova, left, watches play between Emma Navarro, of the United States, and Aryna Sabalenka, of Belarus, during the women's singles semifinals of the U.S. Open tennis championships, Thursday, Sept. 5, 2024, in New York. (AP Photo/Frank Franklin II)
Billie Jean King waves to the crowd during the women's singles semifinals between Emma Navarro, of the United States, and Aryna Sabalenka, of Belarus, of the U.S. Open tennis championships, Thursday, Sept. 5, 2024, in New York. (AP Photo/Seth Wenig)
Aryna Sabalenka, of Belarus, reacts after scoring a point against Emma Navarro, of the United States, during the women's singles semifinals of the U.S. Open tennis championships, Thursday, Sept. 5, 2024, in New York. (AP Photo/Frank Franklin II)
Jessica Pegula, of the United States, reacts after defeating Karolina Muchova, of the Czech Republic, during the women's singles semifinals of the U.S. Open tennis championships, Thursday, Sept. 5, 2024, in New York. (AP Photo/Julia Nikhinson)
Karolina Muchova, of the Czech Republic, returns a shot to Jessica Pegula, of the United States, during the women's singles semifinals of the U.S. Open tennis championships, Thursday, Sept. 5, 2024, in New York. (AP Photo/Kirsty Wigglesworth)
Jessica Pegula, of the United States, tries to returns a shot to Karolina Muchova, of the Czech Republic, during the women's singles semifinals of the U.S. Open tennis championships, Thursday, Sept. 5, 2024, in New York. (AP Photo/Seth Wenig)
Jessica Pegula, of the United States, reacts after scoring a point against Karolina Muchova, of the Czech Republic, during the women's singles semifinals of the U.S. Open tennis championships, Thursday, Sept. 5, 2024, in New York. (AP Photo/Julia Nikhinson)
Aryna Sabalenka, of Belarus, watches a return shot to Emma Navarro, of the United States, during the women's singles semifinals of the U.S. Open tennis championships, Thursday, Sept. 5, 2024, in New York. (AP Photo/Seth Wenig)