Marcela Evangelista defeated Leticia Sobral 6-3 6-3 in the Montevideo 10K qualifying round on clay. The upset overturned the form book — Leticia Sobral came in leading the head-to-head 4–2, but Marcela Evangelista had been the form player, winning 3 of their last 4 on clay. Marcela Evangelista narrowed the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-07-18 | Campos do Jordao 25K | R16 | hard | Leticia Sobral | 7-6(4) 6-3 |
| 2003-06-23 | Victoria 10K | R16 | hard | Leticia Sobral | 6-2 6-7(4) 6-4 |
| 2002-09-30 | Mexicali 10K | QF | hard | Marcela Evangelista | 6-2 6-7(4) 6-0 |
| 2001-11-26 | Cali 10K | QF | clay | Leticia Sobral | 6-3 6-4 |
| 2001-01-01 | Sao Paulo 25K | R32 | hard | Marcela Evangelista | 6-2 5-7 6-3 |
| 2000-11-11 | El Salvador 1 Satellite | R16 | clay | Leticia Sobral | 5-3 4-2 1-4 1-4 4-1 |