Valentina Vargas defeated Luisa Maria Oprescu in the ITF W15 Logrono 1/16-finals on August 19, 2026, and advanced on the hard court. The result overturned Luisa Maria Oprescu's qualifying surge that had included a 6-1, 6-0 win over Isabella Constanza Rivero Zerpa on August 17, 2026, and a scheduled…