Vivian Segnini defeated Karen Castiblanco 7-6 6-0 in the Itajai 10K round of 32 on clay. The result followed the form book — Vivian Segnini came in leading the head-to-head 3–0. Vivian Segnini extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-11-29 | Rio De Janeiro 25K | R16 | clay | Vivian Segnini | 6-3 6-2 |
| 2007-09-03 | Barueri 10K | R16 | hard | Vivian Segnini | 6-3 4-6 6-3 |
| 2006-10-23 | Luque 10K | R16 | clay | Vivian Segnini | 6-1 6-2 |