Nuno Marques defeated Gilbert Schaller 6-4 6-3 in the Portugal 1 Masters 2 semi-final on clay. The result followed the form book — Nuno Marques came in leading the head-to-head 2–1. Nuno Marques extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-05-01 | Portugal 1 Masters 1 | F | clay | Nuno Marques | 6-1 6-2 |
| 1997-04-07 | Estoril | R16 | clay | Gilbert Schaller | 6-3 7-5 |
| 1996-07-22 | Kitzbuhel | R32 | clay | Nuno Marques | 7-6(3) 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.