Sebastian Swierk defeated Glenn Knox 4-6 7-5 6-1 in the New Zealand F1 round of 32 on hard. The upset overturned the form book — Glenn Knox came in leading the head-to-head 1–0. Sebastian Swierk claimed a first win over Glenn Knox in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-11-18 | Australia F3 | SF | grass | Glenn Knox | 6-4 7-6 |