Sascha Nensel defeated Ingo Kroll 3-6 6-2 6-4 in the Germany 3 Masters 4 qualifying round on clay. The upset overturned the form book — Ingo Kroll came in leading the head-to-head 1–0. Sascha Nensel claimed a first win over Ingo Kroll in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-05-27 | Germany 3 Masters 3 | F | clay | Ingo Kroll | 7-6 6-3 |