ROME, ITALY - MAY 19:  Rafael Nadal of Spain walks off the court at the net after his straight sets victory against Roger Federer of Switzerland in their final match during day eight of the Internazionali BNL d'Italia 2013 at the Foro Italico Tennis Centre  on May 19, 2013 in Rome, Italy.  (Photo by Clive Brunskill/Getty Images)