Head to head
2
Hard
0
1
Clay
0
John Isner's wins on the left · Frances Tiafoe's on the right · bar lengths share one scale
All meetings (3)
| 2022 | Houston | Clay | QF | John Isner | 6-4 2-6 6-3 |
| 2017 | Cincinnati Masters | Hard | R16 | John Isner | 7-6(4) 7-5 |
| 2016 | US Open | Hard | R128 | John Isner | 3-6 4-6 7-6(5) 6-2 7-6(3) |
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.