2012 Mercury Insurance Open

The 2012 Mercury Insurance Open was a women's tennis tournament played on outdoor hard courts. It was the 3rd edition of the Southern California Open since the tournament left the tour in 2007. It was classified as one of the WTA Premier tournaments of the 2012 WTA Tour. It took place in Carlsbad, California, United States from July 16 to 22.

Singles

 * 🇸🇰 Dominika Cibulková defeated 🇫🇷 Marion Bartoli, 6–1, 7–5

Doubles

 * 🇺🇸 Raquel Kops-Jones / 🇺🇸 Abigail Spears defeated 🇺🇸 Vania King / 🇷🇺 Nadia Petrova, 6–2, 6–4

Seeds

 * 1 Rankings are as of July 9, 2012

Other entrants
The following players received wildcards into the singles main draw:
 * 🇺🇸 Lauren Davis
 * 🇺🇸 Nicole Gibbs
 * 🇸🇰 Daniela Hantuchová
 * 🇺🇸 CoCo Vandeweghe

The following players received entry from the qualifying draw:
 * Chan Yung-jan
 * 🇺🇸 Alexa Glatch
 * 🇰🇿 Sesil Karatantcheva
 * Michelle Larcher de Brito

The following players received entry as lucky loser:
 * 🇺🇸 Melanie Oudin

Withdrawals

 * 🇷🇴 Sorana Cîrstea (right adductor strain)
 * 🇩🇪 Angelique Kerber (low back injury)
 * 🇷🇺 Svetlana Kuznetsova (right knee injury)
 * 🇩🇪 Sabine Lisicki (abdominal Injury)
 * 🇷🇴 Monica Niculescu (left hand injury)
 * 🇦🇹 Tamira Paszek (left thigh injury)

Retirements

 * 🇧🇪 Yanina Wickmayer (low-back injury)

Seeds

 * 1 Rankings are as of July 9, 2012

Other entrants
The following pair received wildcard into the doubles main draw:
 * Mirjana Lučić / 🇺🇸 CoCo Vandeweghe