Eduarda Piai defeated Carolina Costamagna 6-4 6-4 in the Asuncion 10K qualifying round on clay. The result followed the form book — Eduarda Piai came in leading the head-to-head 1–0. Eduarda Piai extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-10-07 | Asuncion 25K | R32 | clay | Eduarda Piai | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.