Lionel Noviski defeated Emiliano Redondi 7-6 7-6 in the Argentina 1 round of 16 on clay. The upset overturned the form book — Emiliano Redondi came in leading the head-to-head 1–0, but Lionel Noviski had been the form player, winning 5 of their last 8 on clay. Lionel Noviski claimed a first win over Emiliano Redondi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-04-11 | Chile F2 | R16 | clay | Emiliano Redondi | 6-1 7-6(2) |