Rushmi Chakravarthi defeated Treta Bhattacharyya 6-4 6-3 in the Kolkata 10K round of 32 on hard. The upset overturned the form book — Treta Bhattacharyya came in leading the head-to-head 1–0, but Rushmi Chakravarthi had been the form player, winning 2 of their last 8 on hard. Rushmi Chakravarthi claimed a first win over Treta Bhattacharyya in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-09-07 | Bangalore 10K | R16 | hard | Treta Bhattacharyya | 6-2 4-6 6-2 |