FILE PHOTO (EDITORS NOTE: COMPOSITE OF TWO IMAGES - Image numbers (L) 632557786 and 632826854) In this composite image a comparision has been made between Roger Federer of Switzerland (L) and Rafael Nadal of Spain who face each other in the 2017 Australian Open Men's Final on January 29, 2017 at Melbourne Park. ***LEFT IMAGE*** MELBOURNE, AUSTRALIA - JANUARY 24: Roger Federer of Switzerland plays a backhand in his quarterfinal match against Mischa Zverev of Germany day nine of the 2017 Australian Open at Melbourne Park on January 24, 2017 in Melbourne, Australia. (Photo by Michael Dodge/Getty Images) ***RIGHT IMAGE***MELBOURNE, AUSTRALIA - JANUARY 27: Rafael Nadal of Spain plays a forehand in his semifinal match against Grigor Dimitrov of Bulgaria on day 12 of the 2017 Australian Open at Melbourne Park on January 27, 2017 in Melbourne, Australia. (Photo by Quinn Rooney/Getty Images)
