Spain's Carla Suarez Navarro plays a return to United States's Sloane Stephens during their first round match on day three of the French Open tennis tournament at Roland Garros in Paris, France, Tuesday, June 1, 2021. (AP Photo/Christophe Ena)

Serbia's Novak Djokovic plays a return to United States's Tennys Sandgren during their first round match on day three of the French Open tennis tournament at Roland Garros in Paris, France, Tuesday, June 1, 2021. (AP Photo/Christophe Ena)

United States's Coco Gauff plays a return to Serbia's Aleksandra Krunic during their first round match on day three of the French Open tennis tournament at Roland Garros in Paris, France, Tuesday, June 1, 2021. (AP Photo/Thibault Camus)

Spain's Rafael Nadal celebrates after defeating Australia's Alexei Popyrin after their first round match on day three of the French Open tennis tournament at Roland Garros in Paris, France, Tuesday, June 1, 2021. (AP Photo/Christophe Ena)

United States Venus Williams walks back to her side of the court as she plays against Russia's Ekaterina Alexandrova during their first round match on day three of the French Open tennis tournament at Roland Garros in Paris, France, Tuesday, June 1, 2021. (AP Photo/Thibault Camus)

Czech Republic's Petra Kvitova returns the ball to Belgium's Greet Minnen during their first round match of the French Open tennis tournament at the Roland Garros stadium Sunday, May 30, 2021 in Paris. (AP Photo/Thibault Camus)

Ukraine's Elina Svitolina plays a return to Oceane Babel of France during their first round match on day three of the French Open tennis tournament at Roland Garros in Paris, France, Tuesday, June 1, 2021. (AP Photo/Christophe Ena)

Oceane Babel of France plays a return to Ukraine's Elina Svitolina during their first round match on day three of the French Open tennis tournament at Roland Garros in Paris, France, Tuesday, June 1, 2021. (AP Photo/Christophe Ena)

Spectators wait near court 14 as they wear masks against the coronavirus on day two of the French Open tennis tournament at Roland Garros in Paris, France, Monday, May 31, 2021. (AP Photo/Christophe Ena)

United States's Bernarda Pera serves to Australia's Ashleigh Barty during their first round match on day three of the French Open tennis tournament at Roland Garros in Paris, France, Tuesday, June 1, 2021. (AP Photo/Christophe Ena)

Australia's Ashleigh Barty plays a return to United States's Bernarda Pera during their first round match on day three of the French Open tennis tournament at Roland Garros in Paris, France, Tuesday, June 1, 2021. (AP Photo/Christophe Ena)