Head to head
0
Hard
3
0
Clay
1
1
Grass
0
Mikhail Kukushkin's wins on the left · John Isner's on the right · bar lengths share one scale
All meetings (5)
| 2019 | Wimbledon | Grass | R64 | Mikhail Kukushkin | 6-4 6-7(3) 4-6 6-1 6-4 |
| 2018 | Paris Masters | Hard | R32 | John Isner | 6-3 6-7(2) 7-6(1) |
| 2017 | Indian Wells Masters | Hard | R64 | John Isner | 7-6(0) 7-6(6) |
| 2014 | Winston-Salem | Hard | R16 | John Isner | 6-1 7-6(3) |
| 2014 | Roland Garros | Clay | R64 | John Isner | 6-7(6) 7-6(4) 6-3 7-6(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.