Vitaliy Kachanovskiy defeated Mihail Khaldeev 6-3 6-2 in the Russia F4 qualifying round of 16 on hard. The upset overturned the form book — Mihail Khaldeev came in leading the head-to-head 1–0. Vitaliy Kachanovskiy claimed a first win over Mihail Khaldeev in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-07-31 | Russia F5 | R32 | hard | Mihail Khaldeev | 6-4 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.