MELBOURNE - JANUARY 23: Li Na of China in her in her fourth round win over Victoria Azarenka of Belarus in the 2011 Australian Open on January 23, 2011 in Melbourne, Australia
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MELBOURNE - JANUARY 23: Li Na of China in her in her fourth round win over Victoria Azarenka of Belarus in the 2011 Australian Open on January 23, 2011 in Melbourne, Australia