Anna Bartenstein defeated Erika Clarke Magana 6-3 6-4 in the Obregon 10K round of 16 on hard. Anna Bartenstein extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-02-13 | San Cristobal 10K | QF | hard | Erika Clarke Magana | 7-5 6-3 |
| 2005-09-26 | Morelia 10K | QF | hard | Anna Bartenstein | 6-4 6-1 |