Mark Nielsen defeated James Greenhalgh 6-2 6-3 in the Australia 2 Masters 3 round of 16 on hard. The upset overturned the form book — James Greenhalgh came in leading the head-to-head 2–0, but Mark Nielsen had been the form player, winning 2 of their last 4 on hard. Mark Nielsen claimed a first win over James Greenhalgh in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-05-10 | Australia 2 Masters 2 | R32 | hard | James Greenhalgh | 3-6 6-4 6-4 |
| 1996-03-03 | Australia 1 Masters 3 | R16 | clay | James Greenhalgh | 6-2 4-6 4-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.