Novak Djokovic has won six Australian Open titles in Men's single category till 2016. He is a Serbian professional tennis player and considered one of the greatest tennis players of all time. He won Australian Open in the year 2008, 2011, 2012, 2013, 2015 and 2016. He is the first Serbian player to be ranked No. 1 by the ATP and the first male player representing Serbia to win a Grand Slam singles title.