Ana Clara Duarte defeated Fernanda Hermenegildo 7-6 3-6 6-3 in the Itu 10K qualifying round on clay. Ana Clara Duarte extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-07-19 | Brasilia 10K | SF | hard | Ana Clara Duarte | 7-6(3) 6-4 |
| 2006-11-06 | Itajai 10K | R16 | clay | Fernanda Hermenegildo | 6-4 6-2 |