Isabella Robbiani defeated Lucia Jara Lozano 7-6 6-2 in the Buenos Aires 10K round of 32 on clay. The upset overturned the form book — Lucia Jara Lozano came in leading the head-to-head 2–0. Isabella Robbiani claimed a first win over Lucia Jara Lozano in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-11-02 | Buenos Aires 10K | R32 | clay | Lucia Jara Lozano | 6-0 6-0 |
| 2007-10-29 | Asuncion 10K | R32 | clay | Lucia Jara Lozano | 5-7 6-4 7-6(1) |