Head to head
1
Hard
2
1
Clay
0
John Isner's wins on the left · Cristian Garin's on the right · bar lengths share one scale
All meetings (4)
| 2022 | Houston | Clay | SF | John Isner | 4-6 6-3 6-4 |
| 2021 | Canada Masters | Hard | R32 | John Isner | 4-6 6-3 6-4 |
| 2019 | Paris Masters | Hard | R32 | Cristian Garin | 7-6(5) 7-6(4) |
| 2019 | Canada Masters | Hard | R32 | Cristian Garin | 6-3 6-4 |
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.