Sania Mirza [ Images ] and Edina Gallovits stunned fourth seeds Anna Smith and Zi Yan in straight sets to progress to the doubles semi-finals of the Guangzhou International Women's Open in Guangzhou, China.

The unseeded Indo-Romanian pair beat British-Chinese pair 6-2, 6-4 in the quarter-finals of the $220,000 hard court events.

They will next face Ukraine's Olga Savchuk and Tamarine Tanasugarn [ Images ] of Thailand.

Sania has already crashed out of the singles event after a quarter-finals defeat.