Daniel Koellerer defeated Alexander Flock 6-1 6-4 in the Netherlands F6 round of 16 on clay. The result followed the form book — Daniel Koellerer came in leading the head-to-head 1–0. Daniel Koellerer extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-07-07 | Austria F1 | R16 | clay | Daniel Koellerer | 6-1 2-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.