New Zealand's Marina Erakovic has won her sixth career doubles title after taking out the US$740,000 WTA event at Stanford, California with partner Heather Watson.
Erakovic and Watson defeated the American and Australian combination of Vania King and Jarmila Gajdosova 7-5, 7-6 for the title.
The win caps off a fine debut pairing for the New Zealander and the Brit.
It is the Erakovic's first doubles title of 2012 after last winning a tournament in October last year.
Meanwhile in the singles final Serena Williams overcame a shaky start and two service breaks to beat lucky loser Coco Vandeweghe 7-5, 6-3 for her second straight Bank of the West Classic title.