Marco Mazzotta defeated Elmar Gerth 7-5 6-4 in the Peru Bolivia Masters 4 round of 32 on clay. The upset overturned the form book — Elmar Gerth came in leading the head-to-head 1–0. Marco Mazzotta claimed a first win over Elmar Gerth in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1996-08-10 | Venezuela Ecuador Masters 3 | R32 | clay | Elmar Gerth | 6-0 1-0 |