Simon Touzil defeated Peter Hruncak 7-5 6-1 in the Czechoslovakia Masters 3 round of 32 on clay. The upset overturned the form book — Peter Hruncak came in leading the head-to-head 1–0. Simon Touzil claimed a first win over Peter Hruncak in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-08-26 | Czechoslovakia Masters 1 | R16 | clay | Peter Hruncak | 7-6 6-4 |