Bartoli overcomes double faults to beat King

Top-seeded Frenchwoman Marion Bartoli overcame 18 double faults and rallied in the final set to beat American Vania King, 6-4, 5-7, 6-4 in the second round at the $740,000 Mercury Insurance Open tennis event.

The former Wimbledon runner-up Bartoli was pushed to a match that lasted 3 hours, 10 minutes Wednesday before advancing to the quarterfinals. The Frenchwoman, who is making her seventh appearance at this tournament, was behind 2-4 in the third set before rallying.

Nadia Petrova, the fourth seed from Russia, downed American Alexa Glatch, 6-4, 6-3 on the hardcourts at La Costa Resort and Spa.

The lone ranked player to be dispatched was eighth-seeded South African Chanelle Scheepers, who was beaten by American Varvara Lepchenko 6-4, 6-2. The 26-year-old Lepchenko did not face a break on her serve while converting on 3- of-4 break opportunities against her opponent.

One other Wednesday affair saw Taiwanese qualifier Yung-Jan Chan dismiss Brit Heather Watson 6-3, 7-6 (7-2).

The 2012 Carlsbad champ will claim $96,000.