Alan Mackin defeated Philipp Mullner 6-1 6-4 in the Croatia F9 semi-final on clay. The result followed the form book — Alan Mackin came in leading the head-to-head 1–0. Alan Mackin extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-03-10 | Croatia 1 3 | R32 | clay | Alan Mackin | 6-0 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.