Lucas Pouille of France serves during his men's singles match against Rafael Nadal of Spain at the China Open tennis tournament in Beijing on October 3, 2017. / AFP PHOTO / NICOLAS ASFOURI (Photo credit should read NICOLAS ASFOURI/AFP/Getty Images)
Lucas Pouille of France serves during his men's singles match against Rafael Nadal of Spain at the China Open tennis tournament in Beijing on October 3, 2017. / AFP PHOTO / NICOLAS ASFOURI (Photo credit should read NICOLAS ASFOURI/AFP/Getty Images)