Head to head
1
Hard
2
1
Carpet
0
Jurgen Melzer's wins on the left · Juan Ignacio Chela's on the right · bar lengths share one scale
All meetings (4)
| 2007 | Vienna | Hard | R16 | Juan Ignacio Chela | 4-6 6-3 6-2 |
| 2006 | Sydney | Hard | R32 | Jurgen Melzer | 6-2 7-6(1) |
| 2005 | Adelaide | Hard | QF | Juan Ignacio Chela | 7-6(3) 5-7 6-2 |
| 2004 | Paris Masters | Carpet | R64 | Jurgen Melzer | 6-1 6-4 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.