Amanda Carreras defeated Tatiana Bua 6-1 6-3 in the Asuncion 25K round of 32 on clay. The upset overturned the form book — Tatiana Bua came in leading the head-to-head 1–0, but Amanda Carreras had been the form player, winning 5 of their last 8 on clay. Amanda Carreras claimed a first win over Tatiana Bua in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-09-17 | Madrid 10K | F | clay | Tatiana Bua | 6-3 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.