PARIS, FRANCE - MAY 30: Alexander Zverev of Germany during his first round match on day 3 of the 2017 French Open, second Grand Slam of the season at Roland Garros stadium on May 30, 2017 in Paris, France. (Photo by Jean Catuffe/Getty Images)
PARIS, FRANCE - MAY 30: Alexander Zverev of Germany during his first round match on day 3 of the 2017 French Open, second Grand Slam of the season at Roland Garros stadium on May 30, 2017 in Paris, France. (Photo by Jean Catuffe/Getty Images)