Tatiana Bua defeated Fernanda Hermenegildo 6-3 1-6 6-2 in the Itajai 10K round of 32 on clay. The upset overturned the form book — Fernanda Hermenegildo came in leading the head-to-head 2–0. Tatiana Bua claimed a first win over Fernanda Hermenegildo in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-11-24 | Buenos Aires 10K | QF | clay | Fernanda Hermenegildo | 6-7(6) 6-4 6-1 |
| 2008-07-21 | Brasilia 10K | QF | clay | Fernanda Hermenegildo | 7-5 6-2 |