Head to head
2
Hard
0
1
Clay
1
Stan Wawrinka's wins on the left · Steve Johnson's on the right · bar lengths share one scale
All meetings (4)
| 2019 | Acapulco | Hard | R16 | Stan Wawrinka | 7-6(5) 6-4 |
| 2018 | Rome Masters | Clay | R64 | Steve Johnson | 6-4 6-4 |
| 2017 | Australian Open | Hard | R64 | Stan Wawrinka | 6-3 6-4 6-4 |
| 2015 | Roland Garros | Clay | R32 | Stan Wawrinka | 6-4 6-3 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.