Thassha Vitayaviroj defeated Geeta Manohar 5-7 6-1 7-6 in the Bangkok 10K round of 32 on hard. The upset overturned the form book — Geeta Manohar came in leading the head-to-head 1–0. Thassha Vitayaviroj claimed a first win over Geeta Manohar in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-10-31 | Pune 1 10K | R16 | hard | Geeta Manohar | 5-2 |