Eric Winogradsky defeated Valentin Frieden 6-4 6-4 in the Switzerland Masters 1 qualifying round on carpet. The result followed the form book — Eric Winogradsky came in leading the head-to-head 1–0. Eric Winogradsky extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-12-30 | Italy 1 Masters 2 | SF | carpet | Eric Winogradsky | 6-3 6-3 |