Gleb Alekseenko defeated Vitaliy Kachanovskiy 6-1 6-3 in the Kazakhstan F4 qualifying round of 32 on clay. The upset overturned the form book — Vitaliy Kachanovskiy came in leading the head-to-head 1–0. Gleb Alekseenko claimed a first win over Vitaliy Kachanovskiy in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-08-05 | Russia F10 | R16 | clay | Vitaliy Kachanovskiy | 2-6 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.