Tatiana Bua defeated Karen Castiblanco 6-0 6-1 in the Buenos Aires 10K round of 16 on clay. The result followed the form book — Tatiana Bua came in leading the head-to-head 1–0. Tatiana Bua extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-03-30 | Lima 10K | R16 | clay | Tatiana Bua | 7-5 6-1 |