Dawid Olejniczak advanced when Mateusz Kowalczyk retired 4-0 in the Poland F6 round of 16. Dawid Olejniczak extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-05-07 | Czech Rep F1 | R32 | clay | Dawid Olejniczak | 6-4 6-1 |
| 2005-05-16 | Poland F1 | R32 | clay | Dawid Olejniczak | 6-0 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.