Aryna Sabalenka, of Belarus, reacts after defeating Cristina Bucsa, of Spain, during the fourth round of the US Open tennis championships in New York.

Aryna Sabalenka, of Belarus, takes photos with fans after defeating Cristina Bucsa, of Spain, during the fourth round of the US Open tennis championships in New York.

Aryna Sabalenka, of Belarus, shakes hands with Cristina Bucsa, of Spain, after winning their fourth round match of the US Open tennis championships in New York.

Cristina Bucsa, of Spain, returns a shot to Aryna Sabalenka, of Belarus, during the fourth round of the US Open tennis championships, Sunday, Aug. 31, 2025, in New York. ()

Aryna Sabalenka, of Belarus, returns a shot to Cristina Bucsa, of Spain, during the fourth round of the US Open tennis championships in New York.

Aryna Sabalenka, of Belarus, reacts after a rally against Cristina Bucsa, of Spain, during the fourth round of the US Open tennis championships in New York.

Cristina Bucsa, of Spain, returns a shot to Aryna Sabalenka, of Belarus, during the fourth round of the US Open tennis championships in New York.

Aryna Sabalenka, of Belarus, returns a shot to Cristina Bucsa, of Spain, during the fourth round of the US Open tennis championships in New York.