Novak Djokovic is the master of Melbourne. But what obstacles await him in his quest to hoist the trophy for a third straight time?
Rafael Nadal was clearly ailing. And thanks to David Ferrer, the world No. 1 was denied his shot at history in Australia.
You may be unfamiliar with unorthodox Oz quarterfinalist Alexandr Dolgopolov, but be prepared to stay on your toes.