Juan Ignacio Chela defeated Jurgen Melzer 7-6 5-7 6-2 in the Adelaide quarter-final on hard. The upset overturned the form book — Jurgen Melzer came in leading the head-to-head 2–1, defending last year's round of 32. Juan Ignacio Chela narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-10-07 | Vienna | R16 | hard | Juan Ignacio Chela | 4-6 6-3 6-2 |
| 2006-01-09 | Sydney | R32 | hard | Jurgen Melzer | 6-2 7-6(1) |
| 2004-11-01 | Paris Masters | R64 | hard | Jurgen Melzer | 6-1 6-4 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.