Roxane Vaisemberg defeated Frederica Piedade 6-2 5-7 6-3 in the Beloura-Sintra 25K round of 32 on clay. The upset overturned the form book — Frederica Piedade came in leading the head-to-head 1–0. Roxane Vaisemberg claimed a first win over Frederica Piedade in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-07-18 | Campos do Jordao 25K | R16 | hard | Frederica Piedade | 6-2 3-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.