Gavin Pfitzner defeated Michael Brown B395 3-6 6-4 6-2 in the Australia 1 Masters 4 round of 32 on carpet. The upset overturned the form book — Michael Brown B395 came in leading the head-to-head 1–0. Gavin Pfitzner claimed a first win over Michael Brown B395 in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-05-20 | Spain 5 Masters 3 | QF | clay | Michael Brown B395 | 6-1 3-6 6-4 |