N Vijay Sundar Prashanth defeated Sunil Kumar 7-6 6-0 in the India F9 round of 32 on clay. The upset overturned the form book — Sunil Kumar came in leading the head-to-head 1–0. N Vijay Sundar Prashanth claimed a first win over Sunil Kumar in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-10-22 | India F10 | R32 | hard | Sunil Kumar | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.