| 2011 Mercury Insurance Open | |
|---|---|
| Date | August 1–7 |
| Edition | 31st |
| Category | WTA Premier tournaments |
| Draw | 56S / 16D |
| Prize money | $721,000 |
| Surface | Hard / outdoor |
| Location | Carlsbad, California, US |
| Champions | |
| Singles | |
 Agnieszka Radwańska | |
| Doubles | |
 Květa Peschke / Katarina Srebotnik | |
The2011 Mercury Insurance Open was a women'stennis tournament played on outdoorhard courts. It is the 2nd edition of theSouthern California Open since the tournament left the tour in 2007. It is classified as one of theWTA Premier tournaments of the2011 WTA Tour. It takes place inCarlsbad, California, United States.Petra Kvitova andKim Clijsters withdrew due to injuries.[1][2] Third-seededAgnieszka Radwańska won the singles title.
Agnieszka Radwańska defeated
Vera Zvonareva 6–3, 6–4.
Květa Peschke /Katarina Srebotnik defeated
Raquel Kops-Jones /Abigail Spears 6–0, 6–2
| Nation | Player | Ranking* | Seed |
|---|---|---|---|
| RUS | Vera Zvonareva | 3 | 1 |
 GER | Andrea Petkovic | 11 | 2 |
| POL | Agnieszka Radwańska | 14 | 3 |
 CHN | Peng Shuai | 16 | 4 |
 SRB | Ana Ivanovic | 17 | 5 |
 SVK | Dominika Cibulková | 19 | 6 |
| GER | Julia Görges | 20 | 7 |
| SVK | Daniela Hantuchová | 21 | 8 |
 ITA | Roberta Vinci | 22 | 9 |
| ITA | Flavia Pennetta | 23 | 10 |
| RUS | Maria Kirilenko | 25 | 11 |
| GER | Sabine Lisicki | 26 | 12 |
 AUS | Jarmila Gajdošová | 28 | 13 |
| RUS | Elena Vesnina | 33 | 14 |
| ITA | Sara Errani | 36 | 15 |
| SLO | Polona Hercog | 39 | 16 |
The following players receivedwildcards into the singles main draw
The following players received entry from the qualifying draw:
Gréta ArnJill Craybas
Marina Erakovic
Natalie Grandin
Rika Fujiwara
Marie-Ève PelletierZoë Gwen ScandalisAshley WeinholdThe following player received entry as alucky loser into the singles main draw:
| Preceded by | 2011 US Open Series Women's Events | Succeeded by |
