Alexandra Eala, of the Philippines, keeps here eyes on the ball as she plays Mary Stoiana, of the United States, in the first round of the U.S. Open tennis championships Tuesday, Sept. 1, 2026, in New York. (AP Photo/Adam Hunger)

Alexandra Eala, of the Philippines, hits a return to Mary Stoiana, of the United States, during the first round of the U.S. Open tennis championships Tuesday, Sept. 1, 2026, in New York. (AP Photo/Adam Hunger)

Gael Monfils, of France, celebrates after defeating Adolfo Daniel Vallejo, of Paraguay, during the first round of the U.S. Open tennis championships Tuesday, Sept. 1, 2026, in New York. (AP Photo/Adam Hunger)

Gael Monfils, of France, celebrates after defeating Adolfo Daniel Vallejo, of Paraguay, during the first round of the U.S. Open tennis championships Tuesday, Sept. 1, 2026, in New York. (AP Photo/Adam Hunger)

Gael Monfils, of France, takes a bow after winning a point against Adolfo Daniel Vallejo, of Paraguay, during the first round of the U.S. Open tennis championships Tuesday, Sept. 1, 2026, in New York. (AP Photo/Adam Hunger)

Elena Rybakina, of Kazakhstan, returns the ball to Thea Frodin, of the United States, during the first round of the U.S. Open tennis championships Tuesday, Sept. 1, 2026, in New York. (AP Photo/Kirsty Wigglesworth)

Thea Frodin, of the United States, returns the ball to Elena Rybakina, of Kazakhstan, during the first round of the U.S. Open tennis championships Tuesday, Sept. 1, 2026, in New York. (AP Photo/Kirsty Wigglesworth)

Elena Rybakina, of Kazakhstan, returns the ball to Thea Frodin, of the United States, during the first round of the U.S. Open tennis championships Tuesday, Sept. 1, 2026, in New York. (AP Photo/Kirsty Wigglesworth)