Pavel Katliarov defeated Vadim Alekseenko 6-1 3-6 7-6 in the Belarus F1 round of 32 on carpet. The upset overturned the form book — Vadim Alekseenko came in leading the head-to-head 1–0. Pavel Katliarov claimed a first win over Vadim Alekseenko in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-05-11 | Bulgaria F2 | R32 | clay | Vadim Alekseenko | 4-6 7-5 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.