Australian Open 2013: Belarus' Azarenka into last 16 19/01/2013 - 16:17 Sports Defending champion Victoria Azarenka beat American Jamie Hampton (63) 6-4 4-6 6-2. World No 1 Azarenka will next play Russia's Elena Vesnina who beat Roberta Vinci of Italy 4-6 7-6 6-4.
