Heath Denman defeated Andrew Mclean 6-2 6-1 in the Australia 3 Masters 4 round of 16 on clay. The upset overturned the form book — Andrew Mclean came in leading the head-to-head 1–0. Heath Denman claimed a first win over Andrew Mclean in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-02-10 | Australia 1 Masters 1 | R32 | carpet | Andrew Mclean | 6-2 6-1 |