Marko Neunteibl defeated Jonathan Gonzalia 6-3 6-4 in the Argentina 1 round of 32 on clay. The result followed the form book — Marko Neunteibl came in leading the head-to-head 1–0. Marko Neunteibl extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-10-20 | Argentina F4 | R32 | clay | Marko Neunteibl | 6-3 2-6 7-6(5) |