Alexander Zhurbin defeated Maxim Ratniuk 7-6 1-6 6-3 in the M15 Moscow 2 round of 32 on clay. The upset overturned the form book — Maxim Ratniuk came in leading the head-to-head 1–0. Alexander Zhurbin claimed a first win over Maxim Ratniuk in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-03-10 | M15 Kazan 1 | R32 | hard | Maxim Ratniuk | 6-0 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.