Written by Associated Press | Sunday August 4, 2013
Azarenka, the Belarus player ranked No. 3, won a sloppy match against the Serb as both players committed more unforced errors than hit winners. The two-time Australian Open champ will face fifth-seeded Sam Stosur of Australia, a 7-6 (2), 6-3 winner over Virginie Razzano of France.
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