Jason Cask defeated Matthew Macmahon 6-4 6-2 in the Australia 2 Masters 3 round of 16 on hard. The result followed the form book — Jason Cask came in leading the head-to-head 1–0. Jason Cask extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-02-10 | Australia 1 Masters 3 | R32 | carpet | Jason Cask | 6-1 6-3 |