Iga Swiatek, of Poland, reacts after defeating Suzan Lamens, of the Netherlands, during the second round of the U.S. Open tennis championships in New York.

Iga Swiatek, of Poland, returns a shot to Suzan Lamens, of the Netherlands, during the second round of the U.S. Open tennis championships in New York.

Suzan Lamens, of the Netherlands, reacts after scoring a point against Iga Swiatek, of Poland, during the second round of the U.S. Open tennis championships in New York.

Iga Swiatek, of Poland, returns a shot to Suzan Lamens, of the Netherlands, during the second round of the U.S. Open tennis championships in New York.

Suzan Lamens, of the Netherlands, returns a shot to Iga Swiatek, of Poland, during the second round of the U.S. Open tennis championships in New York.

Suzan Lamens, of the Netherlands, reacts after scoring a point against Iga Swiatek, of Poland, during the second round of the U.S. Open tennis championships in New York.

Suzan Lamens, of the Netherlands, returns a shot to Iga Swiatek, of Poland, during the second round of the U.S. Open tennis championships in New York.

Iga Swiatek, of Poland, serves to Suzan Lamens, of the Netherlands, during the second round of the U.S. Open tennis championships in New York.