PARIS, FRANCE - JUNE 2: Stan Wawrinka of Switzerland in action against Stefanos Tsitsipas of Greece during day 8 of the 2019 French Open at Roland Garros stadium on June 2, 2019 in Paris, France. (Photo by Jean Catuffe/Getty Images)
PARIS, FRANCE - JUNE 2: Stan Wawrinka of Switzerland in action against Stefanos Tsitsipas of Greece during day 8 of the 2019 French Open at Roland Garros stadium on June 2, 2019 in Paris, France. (Photo by Jean Catuffe/Getty Images)