Alessandro Guevara defeated Rodrigo Ribeiro 6-1 6-1 in the Brazil F9 qualifying round on hard. The upset overturned the form book — Rodrigo Ribeiro came in leading the head-to-head 1–0. Alessandro Guevara claimed a first win over Rodrigo Ribeiro in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-10-01 | Brazil F6 | R32 | clay | Rodrigo Ribeiro | 2-6 7-5 6-1 |