Adam Kellner defeated Ilya Belyaev 6-7 6-4 6-4 in the Russia F1 qualifying round on carpet. The upset overturned the form book — Ilya Belyaev came in leading the head-to-head 1–0. Adam Kellner claimed a first win over Ilya Belyaev in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-02-22 | Bosnia & Herzegovina F2 | R32 | carpet | Ilya Belyaev | 3-6 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.