Nick Lindahl defeated Sadik Kadir 6-3 6-3 in the Australia F1 round of 16 on hard. The upset overturned the form book — Sadik Kadir came in leading the head-to-head 2–1, but Nick Lindahl had been the form player, winning 2 of their last 6 on hard. Nick Lindahl narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-12-01 | Australia F12 | R32 | hard | Sadik Kadir | 6-3 6-3 |
| 2006-08-28 | Australia F6 | F | hard | Nick Lindahl | 2-6 6-4 6-4 |
| 2004-09-20 | Australia 2 Satellite 1 | R16 | hard | Sadik Kadir | 6-4 1-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.