Novak Djokovic is a Serbian, he is a professional tennis player and he is ranked as the number in the Men’s Single by the Association of the Tennis Professional or ATP. He is considered as the greatest tennis player alive and he has been coached by an ex Slovak Tennis player called Marian Vajda and the former Tennis player and also a six Grand Slam Champion called Boris Becker. Novak Djokovic was able to win 12 Grand Slam singles by now and he is the fourth in Tennis history and he is tying up with Roy Emerson. ... Read more