Richard Muzaev defeated Ivan Gakhov 6-3 3-6 6-2 in the M25 Kazan 1 round of 32 on hard. The upset overturned the form book — Ivan Gakhov came in leading the head-to-head 2–0. Richard Muzaev claimed a first win over Ivan Gakhov in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-08-15 | Russia F6 | R16 | clay | Ivan Gakhov | 5-3 |
| 2015-06-15 | Russia F4 | R32 | clay | Ivan Gakhov | 6-4 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.