Timur Kiuamov defeated Vladimir Ivanov 7-6 6-3 in the M15 Kazan 1 round of 16 on hard. The upset overturned the form book — Vladimir Ivanov came in leading the head-to-head 3–1. Timur Kiuamov narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-03-12 | Russia F3 | R32 | hard | Timur Kiuamov | 4-6 6-3 6-4 |
| 2016-08-08 | Russia F5 | R16 | clay | Vladimir Ivanov | 7-6(4) 7-6(4) |
| 2016-08-01 | Russia F4 | R32 | clay | Vladimir Ivanov | 6-3 6-1 |
| 2015-08-10 | Russia F6 | R32 | clay | Vladimir Ivanov | 6-4 5-7 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.