Mariana Mesa defeated Romina Ottoboni 6-3 6-1 in the Lima 10K semi-final on clay. The upset overturned the form book — Romina Ottoboni came in leading the head-to-head 1–0. Mariana Mesa claimed a first win over Romina Ottoboni in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-08-28 | Buenos Aires 10K | F | clay | Romina Ottoboni | 7-6(3) 6-2 |