2013 Southern California Open

The 2013 Southern California Open was a professional women's tennis tournament played on hard courts. It was the 4th edition of the tournament since its resumption in 2010, and a Premier tournament on the 2013 WTA Tour. It took place in Carlsbad, California, United States from July 29 to August 4, 2013. Fifth-seeded Samantha Stosur won the singles title.

Singles

 * 🇦🇺 Samantha Stosur defeated 🇧🇾 Victoria Azarenka, 6–2, 6–3

Doubles

 * 🇺🇸 Raquel Kops-Jones / 🇺🇸 Abigail Spears defeated Chan Hao-ching / 🇸🇰 Janette Husárová, 6–4, 6–1

Seeds

 * 1 Rankings are as of July 22, 2013

Other entrants
The following players received wildcards into the singles main:
 * 🇺🇸 Allie Kiick
 * 🇫🇷 Virginie Razzano
 * 🇦🇺 Samantha Stosur

The following players received entry from the qualifying draw:
 * 🇳🇿 Marina Erakovic
 * 🇯🇵 Sachie Ishizu
 * 🇰🇿 Sesil Karatantcheva
 * 🇺🇸 CoCo Vandeweghe

Withdrawals

 * Before the tournament
 * 🇫🇷 Marion Bartoli (hamstring injury)
 * 🇧🇪 Kirsten Flipkens
 * 🇷🇸 Bojana Jovanovski
 * 🇫🇷 Kristina Mladenovic
 * 🇷🇺 Anastasia Pavlyuchenkova

Seeds

 * 1 Rankings are as of July 22, 2013

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇸🇰 Daniela Hantuchová / Martina Hingis
 * 🇨🇿 Petra Kvitová / 🇦🇹 Tamira Paszek