Roman Blokhin defeated Artsiom Cherkasau 6-4 7-5 in the M25 Ust-Kamenogorsk 1 round of 32 on hard. The upset overturned the form book — Artsiom Cherkasau came in leading the head-to-head 1–0. Roman Blokhin claimed a first win over Artsiom Cherkasau in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-12-18 | M15 Doha 6 | Q16 | hard | Artsiom Cherkasau | 5-7 6-3 10-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.