Jaymon Crabb defeated Mark Nielsen 6-1 6-1 in the Australia F1 round of 32 on hard. The upset overturned the form book — Mark Nielsen came in leading the head-to-head 4–1, but Jaymon Crabb had been the form player, winning 3 of their last 4 on hard. Jaymon Crabb narrowed the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-09-03 | Netherlands F3 | R32 | clay | Mark Nielsen | 6-1 6-3 |
| 1998-05-10 | Australia 2 Masters 2 | QF | hard | Jaymon Crabb | 6-1 6-1 |
| 1997-04-07 | New Zealand Masters 3 | QF | hard | Mark Nielsen | 6-1 2-6 6-4 |
| 1996-10-27 | Australia 3 Masters 1 | R32 | clay | Mark Nielsen | 7-6 6-3 |
| 1996-03-03 | Australia 1 Masters 3 | R32 | clay | Mark Nielsen | 3-6 6-0 6-2 |
Averages over each player's completed matches in the selected window (6 vs 4). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About