Maria Fernanda Alvarez Teran defeated Teliana Pereira 6-4 1-6 6-1 in the Niteroi 25K round of 16 on clay. The upset overturned the form book — Teliana Pereira came in leading the head-to-head 3–1, but Maria Fernanda Alvarez Teran had been the form player, winning 4 of their last 8 on clay. Maria Fernanda Alvarez Teran narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-03-21 | Poza Rica 10K | R16 | hard | Maria Fernanda Alvarez Teran | 7-6(4) 6-0 |
| 2010-11-08 | Asuncion 10K | QF | clay | Teliana Pereira | 2-6 6-4 6-2 |
| 2006-10-16 | Santiago 10K | R16 | clay | Teliana Pereira | 6-1 6-1 |
| 2006-10-02 | Tucuman 10K | R32 | clay | Teliana Pereira | 6-7(3) 6-2 6-3 |
Averages over each player's completed matches in the selected window (2 vs 94). 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