Sander Groen defeated Heiner Moraing 6-2 6-3 in the Germany 1 Masters 4 round of 32 on carpet. The result followed the form book — Sander Groen came in leading the head-to-head 1–0. Sander Groen extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-04-14 | Germany 2 Masters 1 | R32 | clay | Sander Groen | 6-1 6-4 |