Ricardo Schlachter defeated Lionel Noviski 6-1 6-2 in the Argentina 2 round of 32 on clay. The upset overturned the form book — Lionel Noviski came in leading the head-to-head 1–0. Ricardo Schlachter claimed a first win over Lionel Noviski in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-04-28 | Argentina 3 | R16 | clay | Lionel Noviski | 6-3 7-6(4) |