Novak Djokovic of Serbia celebrates defeating Andy Murray of Britain in their singles final at the Australian Open on Sunday. Djokovic became the first man to win three successive Australian Open titles in the professional era. "It's definitely my favorite Grand Slam, my most successful Grand Slam," he said.  [Photo/Agencies]

Andy Murray of Britain reacts during his men's singles final match against Novak Djokovic of Serbia at the Australian Open tennis tournament in Melbourne, Jan 27, 2013. [Photo/Agencies]