Ana Clara Duarte defeated Nataly Yoo 6-7 6-1 6-3 in the Caracas 10K qualifying round on hard. The upset overturned the form book — Nataly Yoo came in leading the head-to-head 1–0. Ana Clara Duarte claimed a first win over Nataly Yoo in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-10-29 | Bogota 10K | SF | clay | Nataly Yoo | 6-3 7-5 |