Rohan Bopanna [ Images ] and Aisam-ul-haq-Qureshi erased a one-set deficit against Janko Tipsaveric and Viktor Troicki to storm into the semi-finals of the St. Petersburg Open.

The second seed Indo-Pak pair came from behind to eke out a 3-6, 7-6(4), 10-3 win over their unseeded rival in the quarter-finals, on Thursday.

They will now fight it out with third seed Slovakians Filip Polasek and Igor Zelenay, who beat Pablo Andujar and Michael Russell 6-1, 6-3 in their quarter-finals of the $663,750 hard court ATP event.

Meanwhile, veteran Rushmi Chakravarthi could not progress beyond quarter-finals in the singles and ended runners-up in the women's doubles event of the $10,000 ITF tournament in Kuchings, Malaysia.

Chakravarthi, only surviving Indian in the singles, lost her last-eight contest 5-7, 0-6 to her doubles partner Elodie Rogge-Dietrich of France [ Images ].

She later reached the final of the doubles event but could not win the title.

The top seeded pair lost 3-6, 2-6 to second seeds Sandy Gumulya of Indonesia and Sabina Sharipova of Uzbekistan in the summit clash.

Chakravarthi and Sania Mirza [ Images ] had won the bronze medal in the women's doubles event of the recently concluded Commonwealth Games [ Images ] in New Delhi [ Images ].

Earlier, Rishika Sunkara, Sowjanya Bavisetti, Nimisha Mohan and Kanika Vaidya had lost at different stages in the singles event.