Glenn Knox defeated Sebastian Swierk 6-4 7-6 in the Australia F3 semi-final on grass. The upset overturned the form book — Sebastian Swierk came in leading the head-to-head 1–0. Glenn Knox claimed a first win over Sebastian Swierk in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-04-07 | New Zealand F1 | R32 | hard | Sebastian Swierk | 4-6 7-5 6-1 |