Joan Jimenez Guerra defeated Ronaldo Carvalho 6-1 4-6 6-4 in the Mexico F7 round of 32 on hard. The upset overturned the form book — Ronaldo Carvalho came in leading the head-to-head 1–0. Joan Jimenez Guerra claimed a first win over Ronaldo Carvalho in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-10-30 | Mexico F5 | R16 | hard | Ronaldo Carvalho | 6-4 3-6 6-3 |