Huib Troost defeated Gabriel Silberstein 6-3 7-5 in the Portugal 2 Masters 4 semi-final on clay. The upset overturned the form book — Gabriel Silberstein came in leading the head-to-head 1–0. Huib Troost claimed a first win over Gabriel Silberstein in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-05-04 | Portugal 2 Masters 3 | R16 | clay | Gabriel Silberstein | 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.