Sadik Kadir defeated Nathan Healey 6-4 6-7 6-4 in the Washington q32 on hard. The upset overturned the form book — Nathan Healey came in leading the head-to-head 3–0, defending last year's round of 32. Sadik Kadir claimed a first win over Nathan Healey in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-01-07 | Sydney | Q16 | hard | Nathan Healey | 6-2 4-1 |
| 2005-12-31 | Adelaide | Q32 | hard | Nathan Healey | 6-3 3-6 6-1 |
| 2003-11-17 | Australia F5 | R32 | grass | Nathan Healey | 6-4 6-7(2) 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.