Frantisek Polyak defeated Grega Zemlja 7-6 7-6 in the Croatia F5 round of 32 on clay. The upset overturned the form book — Grega Zemlja came in leading the head-to-head 1–0. Frantisek Polyak claimed a first win over Grega Zemlja in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-06-05 | Slovenia F2 | R16 | clay | Grega Zemlja | 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.