ROME, ITALY - MAY 18: Novak Djokovic of Serbia serves during his 3rd round match against Roberto Bautista of Spain in The Internazionali BNL d'Italia 2017 at Foro Italico on May 18, 2017 in Rome, Italy. (Photo by Gareth Copley/Getty Images)
ROME, ITALY - MAY 18: Novak Djokovic of Serbia serves during his 3rd round match against Roberto Bautista of Spain in The Internazionali BNL d'Italia 2017 at Foro Italico on May 18, 2017 in Rome, Italy. (Photo by Gareth Copley/Getty Images)