Head to head
1
Hard
1
1
Clay
2
Jarkko Nieminen's wins on the left · Gilles Simon's on the right · bar lengths share one scale
All meetings (5)
| 2013 | Bucharest | Clay | R16 | Gilles Simon | 4-6 6-4 6-4 |
| 2011 | Hamburg | Clay | R16 | Gilles Simon | 7-6(4) 3-6 6-4 |
| 2010 | Hamburg | Clay | R32 | Jarkko Nieminen | 6-4 3-6 7-5 |
| 2006 | Rotterdam | Hard | R16 | Jarkko Nieminen | 7-6(1) 6-1 |
| 2006 | Marseille | Hard | R32 | Gilles Simon | 4-6 6-3 6-2 |
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.