N Vijay Sundar Prashanth defeated Torsten Wietoska 6-3 7-6 in the India F10 round of 32 on hard. The upset overturned the form book — Torsten Wietoska came in leading the head-to-head 1–0. N Vijay Sundar Prashanth claimed a first win over Torsten Wietoska in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-12-03 | India F15 | R32 | hard | Torsten Wietoska | 6-4 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.