Maria and Jie Zheng (CHN) won the doubles title of the Mercury Insurance Open in San Diego. In final, they defeated Lisa Raymond (USA) and Rennae Stubbs (AUS). The score : 6-4, 6-4.
To see the doubles results, click here.
Doubles titles of Maria
- Birmingham, Great Britain (June 13, 2004), Grass, with Maria Sharapova
- Tokyo, Japan (October 9, 2005), Hard, with Gisela Dulko
- Doha, Qatar (March 3, 2007), Hard, with Martina Hingis
- Estoril, Portugal (April 19, 2008), Red clay, with Flavia Pennetta
- Cincinnati, USA (August 17, 2008), Hard, with Nadia Petrova
- Moscow, Russia (October 24, 2009), Hard, with Nadia Petrova
- San Diego, USA (August 8, 2010), Hard, with Jie Zheng