Head to head
2
Hard
1
0
Clay
2
2
Grass
0
Nicolas Kiefer's wins on the left · Mikhail Youzhny's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 2010 | Halle | Grass | R32 | Nicolas Kiefer | 4-6 6-1 7-5 |
| 2008 | Canada Masters | Hard | R32 | Nicolas Kiefer | 7-6(4) 7-5 |
| 2008 | Halle | Grass | R16 | Nicolas Kiefer | 6-2 5-7 6-3 |
| 2007 | Madrid Masters | Hard | R32 | Nicolas Kiefer | 6-1 6-3 |
| 2004 | Athens Olympics | Hard | R16 | Mikhail Youzhny | 6-2 3-6 6-2 |
| 2004 | Hamburg Masters | Clay | R64 | Mikhail Youzhny | 6-4 6-7(2) 6-2 |
| 2001 | Monte Carlo Masters | Clay | R64 | Mikhail Youzhny | 6-3 6-0 |
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.