Flavia Mignola defeated Nataly Yoo 6-2 6-7 6-3 in the Quito 10K qualifying round on clay. The upset overturned the form book — Nataly Yoo came in leading the head-to-head 1–0, but Flavia Mignola had been the form player, winning 5 of their last 8 on clay. Flavia Mignola claimed a first win over Nataly Yoo in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-09-04 | Caracas 10K | R32 | hard | Nataly Yoo | 2-6 6-4 6-4 |