Mathias Huning defeated Hector Moretti 7-5 6-2 in the Brazil 1 Masters 2 round of 16 on clay. The upset overturned the form book — Hector Moretti came in leading the head-to-head 2–0. Mathias Huning claimed a first win over Hector Moretti in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-05-11 | Brazil 3 Masters 3 | R16 | clay | Hector Moretti | 6-3 6-4 |
| 1991-04-15 | Brazil 2 Masters 4 | R16 | clay | Hector Moretti | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.