Sergey Bolotov defeated Savriyan Danilov 7-6 6-2 in the M15 Kazan 1 round of 32 on hard. The upset overturned the form book — Savriyan Danilov came in leading the head-to-head 2–0. Sergey Bolotov claimed a first win over Savriyan Danilov in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-11-24 | M15 Kazan 3 | R32 | hard | Savriyan Danilov | 6-2 6-2 |
| 2019-03-13 | M25+H Kazan 1 | R32 | hard | Savriyan Danilov | 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.