Frederica Piedade defeated Tatiana Bua 6-4 6-1 in the Vigo 25K round of 32 on hard. The upset overturned the form book — Tatiana Bua came in leading the head-to-head 1–0. Frederica Piedade claimed a first win over Tatiana Bua in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-06-02 | Amarante 10K | QF | hard | Tatiana Bua | 6-3 3-6 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.