Blazej Koniusz defeated Andrei Karatchenia 6-4 6-3 in the Poland F6 round of 32 on clay. The upset overturned the form book — Andrei Karatchenia came in leading the head-to-head 1–0, but Blazej Koniusz had been the form player, winning 2 of their last 6 on clay. Blazej Koniusz claimed a first win over Andrei Karatchenia in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-05-26 | Poland F3 | R32 | clay | Andrei Karatchenia | 5-7 6-3 7-6(3) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.