Vishnu Vardhan defeated Sanam Singh 6-7 6-4 6-3 in the Chennai q32 on hard. The upset overturned the form book — Sanam Singh came in leading the head-to-head 3–0. Vishnu Vardhan claimed a first win over Sanam Singh in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-03-03 | India F2 | SF | hard | Sanam Singh | 6-3 6-3 |
| 2012-02-20 | India F1 | R16 | hard | Sanam Singh | 6-4 6-4 |
| 2004-09-13 | India F4 | R32 | hard | Sanam Singh | 6-4 6-4 |
Averages over each player's completed matches in the selected window (194 vs 71). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About