see more

PARIS, FRANCE - MAY 27: Stan Wawrinka of Switzerland during his mens singles first round match against Jozef Kovalik of Slovakia during Day two of the 2019 French Open at Roland Garros on May 27, 2019 in Paris, France. (Photo by Clive Mason/Getty Images)

PARIS, FRANCE - MAY 27: Stan Wawrinka of Switzerland during his mens singles first round match against Jozef Kovalik of Slovakia during Day two of the 2019 French Open at Roland Garros on May 27, 2019 in Paris, France. (Photo by Clive Mason/Getty Images)