<p>Novak Djokovic of Serbia poses with the Norman Brookes Challenge Cup after defeating Andy Murray of Britain in their men's singles final match at the Australian Open tennis tournament in Melbourne, January 27, 2013. REUTERS/Toby Melville</p> <p>Victoria Azarenka of Belarus poses with the Daphne Akhurst Memorial Cup after defeating Li Na of China in their women's singles final match at the Austr