Jedrzej Zarski defeated Blazej Koniusz 6-1 6-3 in the Poland F3 round of 16 on clay. The upset overturned the form book — Blazej Koniusz came in leading the head-to-head 1–0. Jedrzej Zarski claimed a first win over Blazej Koniusz in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-05-22 | Poland F5 | R32 | clay | Blazej Koniusz | 1-6 6-0 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.