Nathalia Rossi defeated Fernanda Hermenegildo 6-2 6-4 in the Brasilia 10K final on clay. The upset overturned the form book — Fernanda Hermenegildo came in leading the head-to-head 4–0, but Nathalia Rossi had been the form player, winning 5 of their last 8 on clay. Nathalia Rossi claimed a first win over Fernanda Hermenegildo in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-05-10 | Rio de Janeiro 25K | R16 | clay | Fernanda Hermenegildo | 7-5 7-5 |
| 2007-05-14 | Cordoba 10K | R16 | clay | Fernanda Hermenegildo | 6-1 6-1 |
| 2006-11-13 | Florianopolis 10K | R32 | clay | Fernanda Hermenegildo | 7-5 6-1 |
| 2006-11-06 | Itajai 10K | QF | clay | Fernanda Hermenegildo | 6-3 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.