Head to head
3
Hard
0
1
Grass
0
John Isner's wins on the left · Malek Jaziri's on the right · bar lengths share one scale
All meetings (4)
| 2017 | Beijing | Hard | R32 | John Isner | 6-2 6-3 |
| 2017 | Auckland | Hard | R16 | John Isner | 6-3 3-6 7-6(6) |
| 2015 | US Open | Hard | R128 | John Isner | 6-2 6-3 6-4 |
| 2012 | London Olympics | Grass | R32 | John Isner | 7-6(1) 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.