Flavio Saretta defeated Marco Osorio 6-2 6-7 6-2 in the Mexico F7 final on hard. The upset overturned the form book — Marco Osorio came in leading the head-to-head 1–0. Flavio Saretta claimed a first win over Marco Osorio in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-10-18 | Mexico F5 | SF | hard | Marco Osorio | 3-6 6-0 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.