Roman Nashatyrkin defeated Mark Tryakshin 6-3 6-4 in the M15 Kazan 2 q16 on hard. The result followed the form book — Roman Nashatyrkin came in leading the head-to-head 1–0. Roman Nashatyrkin extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-05-31 | M15 Shymkent 4 | Q32 | clay | Roman Nashatyrkin | 6-0 6-4 |