Douglas Geiwald defeated Filip Kascak 6-1 6-0 in the Czechoslovakia Masters 4 round of 16 on clay. The upset overturned the form book — Filip Kascak came in leading the head-to-head 1–0. Douglas Geiwald claimed a first win over Filip Kascak in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-08-24 | Czechoslovakia Masters 3 | R32 | clay | Filip Kascak | 6-1 6-1 |