Fernanda Hermenegildo defeated Sarah Tami Masi 6-7 6-4 6-0 in the Tucuman 10K round of 32 on clay. The result followed the form book — Fernanda Hermenegildo came in leading the head-to-head 3–0. Fernanda Hermenegildo extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-10-29 | Asuncion 10K | R16 | clay | Fernanda Hermenegildo | 6-4 6-3 |
| 2005-10-03 | Cordoba 10K | R16 | clay | Fernanda Hermenegildo | 3-6 7-5 7-5 |
| 2004-10-18 | Goiania 10K | R16 | clay | Fernanda Hermenegildo | 6-7(4) 6-2 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.