Kris Goossens defeated Joseph Sirianni 6-2 6-4 in the Australia 1 Masters 4 qualifying round on hard. The upset overturned the form book — Joseph Sirianni came in leading the head-to-head 2–0. Kris Goossens claimed a first win over Joseph Sirianni in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-09-19 | Australia 3 Masters 2 | SF | hard | Joseph Sirianni | 6-2 6-0 |
| 1998-09-19 | Australia 3 Masters 3 | F | hard | Joseph Sirianni | 6-4 7-6 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.