Lee Pearson defeated Joseph Sirianni 6-4 6-1 in the Australia 1 2 round of 16 on hard. The upset overturned the form book — Joseph Sirianni came in leading the head-to-head 2–1. Lee Pearson narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-01-29 | Australia 1 3 | QF | hard | Lee Pearson | 4-6 6-2 6-3 |
| 2000-10-02 | Australia 3 Masters 1 | QF | hard | Joseph Sirianni | 6-2 6-4 |
| 2000-10-02 | Australia 3 Masters 2 | R32 | hard | Joseph Sirianni | 6-4 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.