Adrian Graimprey defeated Arnd Caspari 6-4 6-3 in the Belgium Masters 1 round of 32 on clay. The upset overturned the form book — Arnd Caspari came in leading the head-to-head 1–0. Adrian Graimprey claimed a first win over Arnd Caspari in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-08-02 | Belgium Masters 2 | R16 | clay | Arnd Caspari | 7-5 6-4 |