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PARIS, FRANCE June 8. Alexander Zverev of Germany in action against Alejandro Davidovich Fokina of Spain on Court Philippe-Chatrier during the quarter finals of the singles competition at the 2021 French Open Tennis Tournament at Roland Garros on June 8th 2021 in Paris, France. (Photo by Tim Clayton/Corbis via Getty Images)

PARIS, FRANCE June 8.  Alexander Zverev of Germany in action against Alejandro Davidovich Fokina of Spain on Court Philippe-Chatrier during the quarter finals of the singles competition at the 2021 French Open Tennis Tournament at Roland Garros on June 8th 2021 in Paris, France. (Photo by Tim Clayton/Corbis via Getty Images)