Mikalai Haliak defeated Kristian Lozan 7-6 6-3 in the M15 Kazan 2 round of 32 on hard. The upset overturned the form book — Kristian Lozan came in leading the head-to-head 1–0, but Mikalai Haliak had been the form player, winning 3 of their last 6 on hard. Mikalai Haliak claimed a first win over Kristian Lozan in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-03-05 | Russia F2 | R32 | hard | Kristian Lozan | 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.