N. Ianin defeated Alexey Shtengelov 6-4 6-2 in the M15 Nakhon Si Thammarat 3 q32 on hard. The upset overturned the form book — Alexey Shtengelov came in leading the head-to-head 1–0. N. Ianin claimed a first win over Alexey Shtengelov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-06-11 | M15 Rabat 1 | Q32 | clay | Alexey Shtengelov | 6-7(1) 6-3 10-7 |