Spain's Rafael Nadal shouts as he plays Argentina's Diego Schwartzman during their quarterfinal match of the French Open tennis tournament at the Roland Garros stadium Wednesday, June 9, 2021 in Paris. (AP Photo/Michel Euler)

Argentina's Diego Schwartzman reacts as he plays Spain's Rafael Nadal during their quarterfinal match of the French Open tennis tournament at the Roland Garros stadium Wednesday, June 9, 2021 in Paris. (AP Photo/Thibault Camus)

Argentina's Diego Schwartzman stretches to return the ball to Spain's Rafael Nadal during their quarterfinal match of the French Open tennis tournament at the Roland Garros stadium Wednesday, June 9, 2021 in Paris. (AP Photo/Michel Euler)

Spain's Rafael Nadal returns the ball to Argentina's Diego Schwartzman during their quarterfinal match of the French Open tennis tournament at the Roland Garros stadium Wednesday, June 9, 2021 in Paris. (AP Photo/Michel Euler)

Spain's Rafael Nadal waves after defeating Argentina's Diego Schwartzman in their quarterfinal match of the French Open tennis tournament at the Roland Garros stadium Wednesday, June 9, 2021 in Paris. (AP Photo/Thibault Camus)