Andrea Koch Benvenuto defeated Karen Castiblanco 6-1 6-2 in the Campos Do Jordao 25K round of 16 on hard. The result followed the form book — Andrea Koch Benvenuto came in leading the head-to-head 5–1. Andrea Koch Benvenuto extended the head-to-head to 6–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-11-02 | Bogota 10K | SF | clay | Andrea Koch Benvenuto | 6-3 6-1 |
| 2009-03-23 | Lima 10K | R32 | clay | Andrea Koch Benvenuto | 7-6(2) 7-6(2) |
| 2008-10-27 | Lima 10K | R32 | clay | Andrea Koch Benvenuto | 6-3 7-6(4) |
| 2007-08-27 | Santa Cruz 10K | R16 | clay | Andrea Koch Benvenuto | 6-4 6-3 |
| 2006-11-13 | Florianopolis 10K | R32 | clay | Karen Castiblanco | 6-4 6-4 |
| 2006-05-01 | Mazatlan 10K | R16 | hard | Andrea Koch Benvenuto | 6-2 6-2 |