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 2–0, but N Vijay Sundar Prashanth had been the form player, winning 4 of their last 8 on hard. N Vijay Sundar Prashanth claimed a first win over Torsten Wietoska in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-12-17 | India F17 | R32 | hard | Torsten Wietoska | 6-3 7-6(3) |
| 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.