Carlos Alcaraz, of Spain, reacts after beating Arthur Rinderknech, of France, during the fourth round of the U.S. Open tennis championships in New York.

Carlos Alcaraz, of Spain, right, greets Arthur Rinderknech, of France, after defeating him during the fourth round of the U.S. Open tennis championships in New York.

Carlos Alcaraz, of Spain, reacts during his match against Arthur Rinderknech, of France, in the fourth round of the U.S. Open tennis championships in New York.

Arthur Rinderknech, of France, returns a shot against Carlos Alcaraz, of Spain, during the fourth round of the U.S. Open tennis championships in New York.

Carlos Alcaraz, of Spain, returns a shot against Arthur Rinderknech, of France, during the fourth round of the U.S. Open tennis championships in New York.

Arthur Rinderknech, of France, returns a shot against Carlos Alcaraz, of Spain, during the fourth round of the U.S. Open tennis championships in New York.

Carlos Alcaraz, of Spain, serves against Arthur Rinderknech, of France, during the fourth round of the U.S. Open tennis championships in New York.

Carlos Alcaraz, of Spain, returns a shot against Arthur Rinderknech, of France, during the fourth round of the U.S. Open tennis championships in New York.

Arthur Rinderknech, of France, returns a shot against Carlos Alcaraz, of Spain, during the fourth round of the U.S. Open tennis championships in New York.

Carlos Alcaraz, of Spain, returns a shot against Arthur Rinderknech, of France, during the fourth round of the U.S. Open tennis championships in New York.