Vladimir Korolev defeated Yan Sabanin 6-2 6-2 in the Kazakhstan F5 round of 32 on clay. The upset overturned the form book — Yan Sabanin came in leading the head-to-head 2–0. Vladimir Korolev claimed a first win over Yan Sabanin in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-07-03 | Russia F3 | R16 | hard | Yan Sabanin | 1-6 6-3 6-0 |
| 2016-08-15 | Russia F6 | R32 | clay | Yan Sabanin | 6-0 6-3 |