Sadik Kadir defeated Joseph Sirianni 7-6 7-5 in the Australia 1 1 qualifying round on hard. Sadik Kadir extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-10-03 | Australia F7 | QF | hard | Sadik Kadir | 6-2 6-7(0) 6-2 |
| 2002-09-23 | Australia 2 3 | QF | hard | Joseph Sirianni | 7-6(4) 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.