Mariano Sanchez defeated Jose De Armas 6-0 3-6 6-2 in the MEX vs VEN round robin on hard. The upset overturned the form book — Jose De Armas came in leading the head-to-head 1–0, but Mariano Sanchez had been the form player, winning 9 of their last 9 on hard. Mariano Sanchez claimed a first win over Jose De Armas in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-06-19 | Mexico F4 | SF | hard | Jose De Armas | 6-4 6-4 |