Czech Republic's Barbora Krejcikova raises her arms as she defeats United States's Coco Gauff during their quarterfinal match of the French Open tennis tournament at the Roland Garros stadium Wednesday, June 9, 2021 in Paris. Krejcikova won 7-6, 6-3. (AP Photo/Thibault Camus)

Poland's Iga Swiątek returns the ball to Maria Sakkari of Greece 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)

Maria Sakkari of Greece reacts as she defeats Poland's Iga Swiątek 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)

United States's Coco Gauff leaves the court after losing to Czech Republic's Barbora Krejcikova in their quarterfinal match of the French Open tennis tournament at the Roland Garros stadium Wednesday, June 9, 2021 in Paris. Krejcikova won 7-6, 6-3. (AP Photo/Thibault Camus)

Russia's Anastasia Pavlyuchenkova, right, hugs Kazakhstan's Elena Rybakina after winning their quarterfinal match of the French Open tennis tournament at the Roland Garros stadium Tuesday, June 8, 2021 in Paris. (AP Photo/Christophe Ena)

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)

Tennis lovers support Serbia's Novak Djokovic playing Italy's Matteo Berrettini 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)

Serbia's Novak Djokovic returns the ball to Italy's Matteo Berrettini 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)

Italy's Matteo Berrettini reacts as he plays Serbia's Novak Djokovic 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)

Spectators leave to respect the 11PM curfew due to the COVID-19 pandemic while Italy's Matteo Berrettini plays Serbia's Novak Djokovic in a quarterfinal match of the French Open tennis tournament at the Roland Garros stadium Wednesday, June 9, 2021 in Paris. (AP Photo/Michel Euler)

Italy's Matteo Berrettini returns the ball to Serbia's Novak Djokovic 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)

Serbia's Novak Djokovic reacts as he defeats Italy's Matteo Berrettini in a quarterfinal match of the French Open tennis tournament at the Roland Garros stadium Wednesday, June 9, 2021 in Paris. (AP Photo/Michel Euler)