Head to head
1
Hard
2
1
Clay
0
Nicolas Kiefer's wins on the left · Stan Wawrinka's on the right · bar lengths share one scale
All meetings (4)
| 2009 | Canada Masters | Hard | R64 | Stan Wawrinka | 6-4 6-1 |
| 2008 | Hamburg Masters | Clay | R32 | Nicolas Kiefer | 7-5 7-5 |
| 2007 | Paris Masters | Hard | R64 | Stan Wawrinka | 7-5 6-3 |
| 2007 | Madrid Masters | Hard | R64 | Nicolas Kiefer | 7-5 6-3 |
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.