Spain's Rafael Nadal plays a shot in the fourth round match of the French Open tennis tournament against Jack Sock of the U.S. to win in four sets 6-3, 6-1, 5-7, 6-2, at the Roland Garros stadium, in Paris, France, Monday, June 1, 2015. Michel Euler/AP hide caption
Poland's Iga Swiatek reacts as she defeats Coco Gauff of the U.S. during the women's final of the French Open in Paris on Saturday. Swiatek won 6-1, 6-3. Christophe Ena/AP hide caption
Novak Djokovic of Serbia plays against Russian Karen Khachanov, during the ATP Dubai Duty Free Tennis Championship on Feb. 23. Thanks to loosening COVID-19 restrictions in France, Djokovic is set to compete in May at the French Open. Karim Sahib/AFP via Getty Images hide caption
Serena Williams serves during her Women's Singles first round match against Kristie Ahn on day two of the 2020 French Open at Roland Garros on Monday in Paris, France. Julian Finney/Getty Images hide caption
Williams plays a backhand during the tournament in June. Fred Lee/Getty Images hide caption
Serena Williams serves against Evgeniya Rodina of Russia during their Ladies' Singles fourth round match on day seven of Wimbledon on July 9, 2018 in London. Clive Mason/Getty Images hide caption
Rafael Nadal celebrates a point against Stan Wawrinka during the final of the French Open. Nadal, who has dominated on clay in his career, did not leave the outcome in doubt for long. The Spaniard claimed his record 10th French Open title on Sunday. David Vincent/AP hide caption
Jelena Ostapenko celebrates a point during the French Open final in Paris on Saturday. The unseeded Latvian upset Simona Halep with a ferocious performance full of both winners and unforced errors. Julian Finney/Getty Images hide caption
Argentina's Juan Martín del Potro comforts Spain's Nicolas Almagro after he collapsed with a left knee injury in his second round match against at the French Open on Wednesday. David Vincent/AP hide caption
Serbia's Novak Djokovic kisses the trophy after winning the final of the French Open tennis tournament against Britain's Andy Murray in four sets 3-6, 6-1, 6-2, 6-4, at the Roland Garros stadium in Paris, Sunday. Michel Euler/AP hide caption
Spain's Garbine Muguruza receives the trophy after winning the final of the French Open against Serena Williams in two sets 7-5, 6-4, at the Roland Garros stadium in Paris on Saturday. Alastair Grant/AP hide caption