Eduarda Piai defeated Maria Constanza De Las Mercedes Vega 6-3 6-2 in the Asuncion 10K round of 16 on clay. Eduarda Piai extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-04-27 | Villa del Dique $10K | QF | clay | Maria Constanza De Las Mercedes Vega | 6-1 6-3 |
| 2013-09-23 | Lambare 10K | R32 | clay | Eduarda Piai | 6-0 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.