Sandy Gumulya defeated Thassha Vitayaviroj 6-2 6-4 in the New Delhi 2 10K qualifying round on hard. The upset overturned the form book — Thassha Vitayaviroj came in leading the head-to-head 1–0, but Sandy Gumulya had been the form player, winning 7 of their last 10 on hard. Sandy Gumulya claimed a first win over Thassha Vitayaviroj in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-09-27 | Balikpapan 10K | SF | hard | Thassha Vitayaviroj | 6-4 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.