Vishnu Vardhan defeated Dalwinder Singh 6-2 6-4 in the M15 New Delhi 2 round of 32 on hard. The result followed the form book — Vishnu Vardhan came in leading the head-to-head 2–1. Vishnu Vardhan extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-02-28 | M15 Lucknow 1 | Q32 | hard | Dalwinder Singh | 6-2 6-7(6) 10-5 |
| 2016-05-09 | India F3 | F | hard | Vishnu Vardhan | 7-6(4) 6-4 |
| 2015-06-15 | India F8 | R16 | clay | Vishnu Vardhan | 6-0 3-0 |