Sofia Constanza Karlau defeated Valeria Porras Buezo 7-5 4-6 10-5 in the W15 Eldorado 2 q64 on clay. The result followed the form book — Sofia Constanza Karlau came in leading the head-to-head 1–0. Sofia Constanza Karlau extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-10-06 | W15 Buenos Aires 3 | Q32 | clay | Sofia Constanza Karlau | 6-3 4-6 10-5 |