Vishnu Vardhan defeated Jaan Frederik Brunken 6-1 6-3 in the Indonesia F4 round of 16 on hard. The upset overturned the form book — Jaan Frederik Brunken came in leading the head-to-head 1–0, but Vishnu Vardhan had been the form player, winning 3 of their last 7 on hard. Vishnu Vardhan claimed a first win over Jaan Frederik Brunken in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-03-21 | India F2 | R32 | clay | Jaan Frederik Brunken | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.