Nataly Yoo defeated Mariana Muci Torres 6-3 6-2 in the Bogota 10K qualifying round on clay. The upset overturned the form book — Mariana Muci Torres came in leading the head-to-head 1–0. Nataly Yoo claimed a first win over Mariana Muci Torres in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-10-09 | Cordoba 10K | R32 | clay | Mariana Muci Torres | 6-4 6-2 |