Martijn Belgraver defeated Nelson Aerts 6-3 6-4 in the Portugal 1 Masters 4 round of 32 on clay. The upset overturned the form book — Nelson Aerts came in leading the head-to-head 1–0. Martijn Belgraver claimed a first win over Nelson Aerts in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1996-01-05 | Portugal 1 Masters 2 | R16 | clay | Nelson Aerts | 3-6 7-6 6-4 |