Head to head
4
Hard
2
1
Clay
1
1
Carpet
0
Stan Wawrinka's wins on the left · David Nalbandian's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (9)
| 2011 | Canada Masters | Hard | R64 | Stan Wawrinka | 6-1 6-4 |
| 2010 | Washington | Hard | R32 | David Nalbandian | 6-1 6-3 |
| 2008 | Barcelona | Clay | R16 | Stan Wawrinka | 6-3 6-1 |
| 2007 | Basel | Hard | R32 | Stan Wawrinka | 7-6(5) 6-2 |
| 2007 | Vienna | Hard | R16 | Stan Wawrinka | 5-7 6-3 6-1 |
| 2006 | Basel | Carpet | QF | Stan Wawrinka | 7-6(7) 6-2 |
| 2006 | Cincinnati Masters | Hard | R32 | Stan Wawrinka | 6-4 6-2 |
| 2006 | Roland Garros | Clay | R128 | David Nalbandian | 6-2 7-6(5) 6-4 |
| 2006 | Australian Open | Hard | R64 | David Nalbandian | 6-4 3-6 6-4 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.