In January 2013 Novak Djokovi and Victoria Azarenka won the respective men's and women's titles in which Championship?
Australian Open - Main Draw Wildcard Entries Australasian champion The Grand Slam of Asia/Pacific Australasian Championships Australian Championships (tennis) Australian Open – Main Draw Wildcard Entries Australian Open Ozzy open Australian open Australian Open (December) Australian Open - Qualifiers Australian Championships Aussie open Australian Tennis Open Australian Open (tennis) Australasian Championships (tennis) Australia Open Australian Open (January) Australian Open - Wildcards Australian Open Juniors Aus open