Sebastian Swierk defeated Hayden Gibson 7-6 6-2 in the Australia 1 Masters 2 round of 32 on hard. Sebastian Swierk extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-11-04 | Australia F2 | R32 | clay | Sebastian Swierk | 7-6 6-3 |
| 1998-07-17 | USA 2 Masters 3 | R32 | hard | Hayden Gibson | 6-4 6-1 |