Rodolfo Daruich defeated Alejandro Fabbri 6-1 3-6 6-3 in the Argentina 1 round of 32 on clay. The upset overturned the form book — Alejandro Fabbri came in leading the head-to-head 1–0. Rodolfo Daruich claimed a first win over Alejandro Fabbri in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-03-20 | Argentina F2 | R32 | clay | Alejandro Fabbri | 6-4 3-6 6-3 |