2011 Mercury Insurance Open – Singles

Svetlana Kuznetsova was the defending champion, but withdrew due to a groin strain. Agnieszka Radwańska won the title, defeating Vera Zvonareva 6–3, 6–4 in the final.

Seeds
The top eight seeds received a bye into the second round. • # 🇷🇺 Vera Zvonareva (final)

• # 🇩🇪 Andrea Petkovic (semifinals)

• # 🇵🇱 Agnieszka Radwańska (champion)

• # 🇨🇳 Peng Shuai (quarterfinals)

• # 🇷🇸 Ana Ivanovic (semifinals)

• # 🇸🇰 Dominika Cibulková (withdrew due to a left abdominal muscle strain)

• # 🇩🇪 Julia Görges (second round)

• # 🇸🇰 Daniela Hantuchová (quarterfinals)

• # 🇮🇹 Roberta Vinci (second round)

• # 🇮🇹 Flavia Pennetta (first round)

• # 🇷🇺 Maria Kirilenko (second round, withdrew due to a left hip injury)

• # 🇩🇪 Sabine Lisicki (quarterfinals)

• # 🇦🇺 Jarmila Gajdošová (first round)

• # 🇷🇺 Elena Vesnina (first round)

• # 🇮🇹 Sara Errani (third round)

• # Polona Hercog (second round)