Joseph Sirianni defeated Hayden Gibson 3-6 7-6 6-0 in the Australia 2 3 round of 16 on hard. The result followed the form book — Joseph Sirianni came in leading the head-to-head 1–0. Joseph Sirianni extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-05-08 | Australia 2 Masters 2 | R16 | hard | Joseph Sirianni | 6-4 4-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.