Glenn Knox defeated Joseph Sirianni 7-6 6-3 in the Australia F1 round of 32 on hard. Glenn Knox extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-01-29 | Australia 1 3 | R32 | hard | Joseph Sirianni | 3-6 7-5 6-3 |
| 1999-09-19 | Australia 3 Masters 2 | R16 | hard | Glenn Knox | 6-0 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.