Maxim Ratniuk defeated Shalva Dzhanashia 6-2 7-6 in the M15 Kazan 1 round of 32 on hard. The upset overturned the form book — Shalva Dzhanashia came in leading the head-to-head 1–0. Maxim Ratniuk claimed a first win over Shalva Dzhanashia in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-10-20 | M15 Bukhara 1 | F | hard | Shalva Dzhanashia | 6-3 7-6(1) |