Joseph Sirianni defeated Mark Hlawaty 6-2 7-5 in the Australia 2 2 qualifying round on hard. The upset overturned the form book — Mark Hlawaty came in leading the head-to-head 1–0. Joseph Sirianni claimed a first win over Mark Hlawaty in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-02-02 | Australia 1 4 | SF | hard | Mark Hlawaty | 6-4 5-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.