Catalina Arancibia defeated Claudia Razzeto 6-4 6-2 in the Cordoba 10K round of 32 on clay. The upset overturned the form book — Claudia Razzeto came in leading the head-to-head 1–0, but Catalina Arancibia had been the form player, winning 2 of their last 8 on clay. Catalina Arancibia claimed a first win over Claudia Razzeto in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-10-13 | Lima 10K | R16 | clay | Claudia Razzeto | 6-2 6-4 |