India's Sania Mirza and her Zimbabwean partner Cara Black knocked out second-seeded Russians Ekaterina Makarova and Elena Vesnina toenter the semi-finals of the women's doubles at the BNP Paribas Open tennis tournament here.
Fifth-seeded Mirza and Black won 6-4, 6-1, Wednesday and will now play fourth seeds Czech Lucie Hradecka and China's Jie Zheng who defeated Kveta Peschke and Katerina Srebotnik in a hard-fought quarter-final super tie-break 7-5, 5-7, 10-3.