Mark Weaver defeated Pedro Leon 6-1 6-2 in the Mexico 4 Masters 1 round of 16 on hard. The upset overturned the form book — Pedro Leon came in leading the head-to-head 1–0, but Mark Weaver had been the form player, winning 6 of their last 9 on hard. Mark Weaver claimed a first win over Pedro Leon in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1995-09-30 | Mexico 4 Masters 3 | R32 | hard | Pedro Leon | 6-7 7-6 |