Alexandre Bonatto defeated Matias Niemiz 6-3 6-4 in the Argentina 2 round of 32 on clay. The result followed the form book — Alexandre Bonatto came in leading the head-to-head 1–0. Alexandre Bonatto extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-01-24 | Colombia F1 | R32 | hard | Alexandre Bonatto | 6-4 6-0 |