Sania and Chia-jung in semis

Sania Mirza and her partner Chuang Chia-jung of Taiwan continued their giant-killing ways by knocking out the second-seeded Spaniards Anabel Medina Garrigues and Virginia Ruano Pascual 6-3, 7-6(4) in the quarterfinals and make the last four in the women’s doubles event at the Sony Ericsson Open here on Wednesday.