Carolina Zeballos defeated Guadalupe Moreno 6-4 6-4 in the Santiago 10K round of 16 on clay. The upset overturned the form book — Guadalupe Moreno came in leading the head-to-head 1–0. Carolina Zeballos claimed a first win over Guadalupe Moreno in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-05-25 | Cordoba 10K | R32 | clay | Guadalupe Moreno | 6-7(7) 6-2 |