01/By surface
each with its own count, at equal weight
Hard
0-4
J. leads 4-0 in 4 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
Never on grass
no meeting on this surface
02/Every meeting
4 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, J.L. first |
|---|---|---|---|---|---|---|
| Aug 29, 2019 | US OpenGrand Slam, best of 5 | hard | 2nd round | Isner J. | 6-3, 7-6, 7-6 | 37 v 14 |
| Nov 3, 2016 | BNP Paribas MastersMasters 1000 | hard | 3rd round | Isner J. | 6-4, 6-7, 6-3 | 91 v 27 |
| Oct 24, 2016 | Erste Bank OpenATP500 | hard | 1st round | Isner J. | 6-7, 6-3, 6-4 | 93 v 27 |
| Aug 28, 2014 | US OpenGrand Slam, best of 5 | hard | 2nd round | Isner J. | 7-6, 6-4, 6-2 | 77 v 15 |
A record, never a share of meetings. Main-draw singles since 2013; a meeting ended by retirement is counted with the sets that were played and marked; a walkover is listed and counted in neither column. Struff J.L. and Isner J. each carry the table against every opponent faced.