Maria Fernanda Alves defeated Frederica Piedade 6-4 6-2 in the US Open q128 on hard. The upset overturned the form book — Frederica Piedade came in leading the head-to-head 2–1. Maria Fernanda Alves narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-11-20 | Puebla 25K | R32 | hard | Maria Fernanda Alves | 6-2 6-4 |
| 2003-07-14 | Campos do Jordao 25K | F | hard | Frederica Piedade | 6-3 2-6 6-4 |
| 2001-08-20 | Buenos Aires 10K | R16 | clay | Frederica Piedade | 2-6 6-4 6-4 |
Averages over each player's completed matches in the selected window (3 vs 4). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About