Juan Martin Del Potro (ARG) in action against Novak Djokovic (SRB) during the ATP World Tour Masters 1000 Internazionali BNL D'Italia at the Foro Italico, Rome, Italy on 20 May 2017 (Photo by Fabio Averna/NurPhoto via Getty Images)
Juan Martin Del Potro (ARG) in action against Novak Djokovic (SRB) during the ATP World Tour Masters 1000 Internazionali BNL D'Italia at the Foro Italico, Rome, Italy on 20 May 2017 (Photo by Fabio Averna/NurPhoto via Getty Images)