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PARIS, FRANCE May 29. Oscar Otte of Germany in action against Roger Federer of Switzerland on Court Philippe-Chatrier in the Men's Singles second round match at the 2019 French Open Tennis Tournament at Roland Garros on May 29th 2019 in Paris, France. (Photo by Tim Clayton/Corbis via Getty Images)

PARIS, FRANCE May 29.   Oscar Otte of Germany in action against Roger Federer of Switzerland on Court Philippe-Chatrier in the Men's Singles second round match at the 2019 French Open Tennis Tournament at Roland Garros on May 29th 2019 in Paris, France. (Photo by Tim Clayton/Corbis via Getty Images)