Johan Ortegren defeated Joseph Sirianni 4-6 6-4 7-6 in the Australia F1 round of 16 on hard. The result followed the form book — Johan Ortegren came in leading the head-to-head 1–0. Johan Ortegren extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-07-06 | Denmark F2 | QF | clay | Johan Ortegren | 7-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.