Australian Open Women's Results - Day 4

1-Serena Williams (USA) bt Petra Kvitova (CZE) 6-2 6-1
4-Caroline Wozniacki (DEN) bt Julia Georges (GER) 6-3 6-1
6-Venus Williams (USA) bt Sybille Bammer (AUT) 6-2 7-5
7-Victoria Azarenka (BLR) bt Stefanie Voegele (SUI) 6-4 6-0
9-Vera Zvonareva (RUS) bt Iveta Benesova (CZE) 6-0 6-3
10-Agnieszka Radwanska (POL) bt Alla Kudryavtseva (RUS) 6-0 6-2
13-Samantha Stosur (AUS) bt Kristina Barrois (GER) 7-5 6-3
16-Na Li (CHN) bt Agnes Szavay (HUN) 3-6 7-5 6-2
17-Francesca Schiavone (ITA) bt Julie Coin (FRA) 6-3 6-4
Gisela Dulko (ARG) bt 20-Ana Ivanovic (SRB) 6-7 (8-6) 7-5 6-4
Alberta Brianti (ITA) bt 21-Sabine Lisicki (GER) 2-6 6-4 6-4
22-Daniela Hantuchova (SVK) bt Sofia Arvidsson (SWE) 6-4 6-1
29-Shahar Peer (ISR) bt Tsvetana Pironkova (BUL) 6-1 6-4
32-Carla Suarez Navarro (ESP) bt Andrea Petkovic (GER) 6-1 6-4
Tathiana Garbin (ITA) bt Yaroslava Shvedova (KAZ) 6-7 (7-5) 6-2 6-0
Casey Dellacqua (AUS) bt Karolina Sprem (CRO) 7-6 (7-4) 7-6 (8-6)