01/By surface
each with its own count, at equal weight
Hard
1-1
Level 1-1 in 2 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
2-1
S. leads 2-1 in 3 meetings on grass
02/Every meeting
5 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, S. first |
|---|---|---|---|---|---|---|
| Jul 11, 2022 | Hall of Fame ChampionshipsATP250 | grass | 1st round | Johnson S. | 7-5, 6-3 | 104 v 95 |
| Feb 16, 2022 | Delray Beach OpenATP250 | hard | 2nd round | Kozlov S. | 6-1, 6-3 | 151 v 99 |
| Jun 20, 2017 | AEGON ChampionshipsATP500 | grass | 1st round | Kozlov S. | 3-6, 6-1, 6-1 | 149 v 25 |
| Feb 21, 2017 | Delray Beach OpenATP250 | hard | 1st round | Johnson S. | 6-1, 6-4 | 115 v 26 |
| Jun 8, 2016 | Topshelf OpenATP250 | grass | 2nd round | Kozlov S. | 6-3, 6-4 | 196 v 39 |
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. Kozlov S. and Johnson S. each carry the table against every opponent faced.