Age35
CountryIndia
Residence Charlottesville, Virginia
Turned Pro2008
2016 Earnings$12,850
Petrova, 34, reached No. 3 in the world in 2006.
Venus Williams, David Ferrer, and Agnieszka Radwanska are three top participants.
Serbian qualifier hits 13 aces in 6-3, 6-4 victory; No. 2 seed Murray, Giraldo, Lacko also reach quarterfinals.
The Kastles remain undefeated, while the Aviators move into first place in the West.