Aristarkh Safonov defeated N. Ianin 6-0 6-3 in the M15 Kazan 2 q16 on hard. The upset overturned the form book — N. Ianin came in leading the head-to-head 1–0, but Aristarkh Safonov had been the form player, winning 2 of their last 6 on hard. Aristarkh Safonov claimed a first win over N. Ianin in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-11-23 | M15 Kazan 3 | Q16 | hard | N. Ianin | 3-6 7-5 11-9 |