Patricia Holzman defeated Flavia Mignola 6-3 6-2 in the Los Mochis 10K round of 16 on clay. The upset overturned the form book — Flavia Mignola came in leading the head-to-head 4–0. Patricia Holzman claimed a first win over Flavia Mignola in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-10-02 | Tucuman 10K | R32 | clay | Flavia Mignola | 6-3 6-3 |
| 2005-05-30 | Monterrey 10K | R32 | hard | Flavia Mignola | 6-4 7-5 |
| 2005-05-09 | Los Mochis 10K | R32 | clay | Flavia Mignola | 6-1 6-3 |
| 2003-10-27 | Caracas 10K | R16 | hard | Flavia Mignola | 7-6(1) 6-4 |