Head to head
0
Hard
9
2
Clay
1
1
Grass
0
Andreas Seppi's wins on the left · Stan Wawrinka's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (13)
| 2020 | Australian Open | Hard | R64 | Stan Wawrinka | 4-6 7-5 6-3 3-6 6-4 |
| 2017 | Australian Open | Hard | R16 | Stan Wawrinka | 7-6(2) 7-6(4) 7-6(4) |
| 2014 | Indian Wells Masters | Hard | R32 | Stan Wawrinka | 6-0 6-2 |
| 2013 | Beijing | Hard | R32 | Stan Wawrinka | 4-6 6-3 6-4 |
| 2013 | Cincinnati Masters | Hard | R64 | Stan Wawrinka | 6-3 6-4 |
| 2012 | Rome Masters | Clay | R16 | Andreas Seppi | 6-7(1) 7-6(6) 7-6(6) |
| 2010 | Valencia | Hard | R32 | Stan Wawrinka | 7-6(2) 7-5 |
| 2010 | Stockholm | Hard | R32 | Stan Wawrinka | 6-2 6-2 |
| 2009 | Davis Cup WG PO: ITA vs SUI | Clay | RR | Stan Wawrinka | 6-4 6-1 6-2 |
| 2009 | Miami Masters | Hard | R64 | Stan Wawrinka | 7-5 7-5 |
| 2009 | Indian Wells Masters | Hard | R64 | Stan Wawrinka | 6-1 6-3 |
| 2006 | Nottingham | Grass | R32 | Andreas Seppi | 7-6(7) 4-6 6-4 |
| 2006 | Hamburg Masters | Clay | R64 | Andreas Seppi | 2-6 7-6(4) 6-1 |
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.