01/By surface
each with its own count, at equal weight
Hard
1-1
Level 1-1 in 2 meetings on hard
Clay
2-0
J.L. leads 2-0 in 2 meetings on clay
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 |
|---|---|---|---|---|---|---|
| Sep 29, 2023 | China OpenATP500 | hard | 1st round | Ruud C. | 7-6, 6-3 | 22 v 9 |
| Apr 13, 2023 | Monte Carlo MastersMasters 1000 | clay | 3rd round | Struff J.L. | 6-1, 7-6 | 100 v 4 |
| Aug 27, 2019 | US OpenGrand Slam, best of 5 | hard | 1st round | Struff J.L. | 6-4, 6-4, 6-2 | 37 v 54 |
| Apr 18, 2017 | Monte Carlo MastersMasters 1000 | clay | 1st round | Struff J.L. | 6-4, 6-4 | 58 v 127 |
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 Ruud C. each carry the table against every opponent faced.