Head to head
1
Hard
1
2
Clay
1
Juan Ignacio Chela's wins on the left · Jarkko Nieminen's on the right · bar lengths share one scale
All meetings (5)
| 2007 | Australian Open | Hard | R64 | Juan Ignacio Chela | 6-3 2-6 6-4 6-4 |
| 2006 | Bastad | Clay | R32 | Jarkko Nieminen | 6-4 5-7 6-1 |
| 2003 | Vienna | Hard | R16 | Jarkko Nieminen | 6-2 6-7(10) 6-3 |
| 2003 | Monte Carlo Masters | Clay | R16 | Juan Ignacio Chela | 6-1 6-1 |
| 2002 | Barcelona | Clay | R64 | Juan Ignacio Chela | 6-4 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.