Italy's Andreas Seppi (R) shakes hands as he celebrates after victory in his men's singles match against Switzerland's Roger Federer (L) on day five of the 2015 Australian Open tennis tournament in Melbourne on January 23, 2015. AFP PHOTO / MAL FAIRCLOUGH-- IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE        (Photo credit should read MAL FAIRCLOUGH/AFP via Getty Images)