Head to head
3
Hard
0
1
Grass
0
Gael Monfils's wins on the left · Steve Johnson's on the right · bar lengths share one scale
All meetings (4)
| 2021 | US Open | Hard | R64 | Gael Monfils | 7-5 4-6 6-4 6-4 |
| 2019 | Stuttgart | Grass | R32 | Gael Monfils | 7-5 5-7 7-6(6) |
| 2018 | Vienna | Hard | R32 | Gael Monfils | 4-6 6-3 6-2 |
| 2017 | Canada Masters | Hard | R64 | Gael Monfils | 2-6 7-6(1) 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.