Vishal Uppal defeated Sunil Kumar 7-6 4-6 6-3 in the India 1 3 qualifying round on hard. The upset overturned the form book — Sunil Kumar came in leading the head-to-head 3–1. Vishal Uppal narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-09-19 | India 2 1 | SF | hard | Sunil Kumar | 6-2 4-6 6-0 |
| 2004-11-08 | India 2 Satellite 4 | QF | clay | Sunil Kumar | 6-1 6-2 |
| 2003-11-17 | India F6 | R32 | hard | Vishal Uppal | 6-1 6-4 |
| 2003-06-02 | India 1 1 | R32 | hard | Sunil Kumar | 6-1 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.