Adolf Musil defeated George Cosac 6-1 6-3 in the Yugoslavia F5 qualifying round on clay. The upset overturned the form book — George Cosac came in leading the head-to-head 1–0. Adolf Musil claimed a first win over George Cosac in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1994-10-17 | Czech Moravian Masters 2 | QF | carpet | George Cosac | 6-4 7-6 |