Chris Groer defeated Leonardo Lavalle 6-3 6-4 in the Mexico 3 Masters 2 qualifying round on carpet. The upset overturned the form book — Leonardo Lavalle came in leading the head-to-head 2–0. Chris Groer claimed a first win over Leonardo Lavalle in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-09-12 | Mexico 3 Masters 1 | F | carpet | Leonardo Lavalle | 6-4 6-4 |
| 1998-09-12 | Mexico 3 Masters 3 | R16 | carpet | Leonardo Lavalle | 6-4 2-6 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.