Wojtek Kowalski defeated Brian Dunn 6-4 4-6 6-4 in the USA 1 Masters 1 semi-final on clay. The upset overturned the form book — Brian Dunn came in leading the head-to-head 1–0. Wojtek Kowalski claimed a first win over Brian Dunn in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1994-03-18 | USA 1 Masters 4 | QF | clay | Brian Dunn | 4-6 6-1 6-1 |