Head to head
3
Hard
1
1
Clay
0
1
Grass
1
Stan Wawrinka's wins on the left · Sam Querrey's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 2018 | Queen's Club | Grass | R16 | Sam Querrey | 7-5 6-7(3) 6-1 |
| 2017 | Geneva | Clay | QF | Stan Wawrinka | 4-6 7-5 6-2 |
| 2014 | Queen's Club | Grass | R16 | Stan Wawrinka | 6-2 6-2 |
| 2013 | Beijing | Hard | R16 | Sam Querrey | 6-3 7-6(2) |
| 2013 | Australian Open | Hard | R32 | Stan Wawrinka | 7-6(6) 7-5 6-4 |
| 2010 | US Open | Hard | R16 | Stan Wawrinka | 7-6(9) 6-7(5) 7-5 4-6 6-4 |
| 2009 | Indian Wells Masters | Hard | R32 | Stan Wawrinka | 2-6 7-5 7-6(8) |
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.