Wozniacki ousted Marina Erakovic in the second round Wednesday 6-2, 6-4.
Also advancing was third-seeded Shahar Peer, who outfought Melinda Czink 6-0, 3-6, 6-2. Qualifier Marina Erakovic also reached the quarterfinals with a 7-5, 6-3 victory over Amber Liu and Julia Goerges defeated Bethanie Mattek 6-4, 6-3.
Top-seeded Venus Williams was eliminated in the opening round.
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