The unseeded American stunned Wimbledon finalist in the second round of the Stanford Classic.
Shrugging off the controversy surrounding their partnership, Sania Mirza and Israeli Shahar Peer displayed a resolute performance to advance to the second round of Wimbledon women's doubles competition.
Sania Mirza and her Chinese Taipei partner Chia-Jung Chuang reached the doubles quarter-finals of the $ 220,000 MPS Group Championships in Florida, but not before some late scares.
They demolished the USA-Russian pair of Lilia Osterloh and Anastasia Rodionova in straight sets 6-2, 6-3.
The Indian sensation scored a second successive upset, disposing off the fourth seeded Swiss ace at the Bank of the West of Classic.
Sania Mirza and her Israeli partner Shahar Peer's second round women's doubles match at Wimbledon was suspended due to rain.
Sania Mirza, seeded ninth, advanced with a 6-1, 0-6, 6-1 victory over Finland's Emma Laine.