Roger Federer of Switzerland plays a forehand in his Australian Open semi-final match against Stan Wawrinka at Melbourne Park on January 26, 2017 in Melbourne, Australia. Cameron Spencer / Getty Images
Roger Federer of Switzerland plays a forehand in his Australian Open semi-final match against Stan Wawrinka at Melbourne Park on January 26, 2017 in Melbourne, Australia. Cameron Spencer / Getty ImageShow more
Roger Federer stands firm against game Stan Wawrinka to reach Australian Open final
The Swiss master was rattled as fourth seed Wawrinka rose up to level the match but his opponent double-faulted to hand Federer the decisive break in the sixth game.