Top seed Caroline Wozniacki books her place in Australian Open second round . Defending champion Nina Bratchikova also through , alongside Third seed Caroline Wozniacki . Third seed Victoria Azarenka advances , as does Poland 's Agnieszka Radwanska . Australian 19th seed Flavia Pennetta beaten by Italian qualifier Nina Bratchikova .
Top seed Caroline Wozniacki books her place in Australian Open second round . Defending champion Kim Clijsters also through , alongside fifth seed Li Na . Third seed Victoria Azarenka advances , as does Poland 's Agnieszka Radwanska . Italian 19th seed Flavia Pennetta beaten by Russian qualifier Nina Bratchikova .