Diego Cubas defeated Bruno Rosa 6-3 3-6 6-1 in the Brazil F9 round of 32 on clay. The upset overturned the form book — Bruno Rosa came in leading the head-to-head 1–0. Diego Cubas claimed a first win over Bruno Rosa in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-10-04 | Brazil F9 | QF | clay | Bruno Rosa | 7-5 6-2 |