Flavia Borges defeated Natalia Guitler 6-3 6-1 in the Brasilia 10K round of 32 on clay. The upset overturned the form book — Natalia Guitler came in leading the head-to-head 1–0. Flavia Borges claimed a first win over Natalia Guitler in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-09-08 | Santos 10K | R32 | clay | Natalia Guitler | 6-1 6-0 |