01/By surface
each with its own count, at equal weight
Hard
4-4
Level 4-4 in 8 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
1-0
S. leads 1-0 in 1 meeting on grass
02/Every meeting
9 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, S. first |
|---|---|---|---|---|---|---|
| Feb 15, 2022 | Delray Beach OpenATP250 | hard | 1st round | Johnson S. | 6-2, 6-7, 6-2 | 99 v 93 |
| Mar 13, 2017 | BNP Paribas OpenMasters 1000 | hard | 2nd round | Johnson S. | 6-4, 3-6, 7-6 | 27 v 79 |
| Jun 24, 2016 | AEGON OpenATP500 | grass | quarterfinal | Johnson S. | 7-6, 5-7, 6-4 | 38 v 24 |
| Oct 23, 2015 | Erste Bank OpenATP250 | hard | quarterfinal | Johnson S. | 5-7, 7-6, 6-4 | 47 v 11 |
| Feb 25, 2015 | Abierto MexicanoATP500 | hard | 2nd round | Anderson K. | 3-6, 7-5, 6-3 | 44 v 15 |
| Feb 13, 2015 | Memphis OpenATP250 | hard | quarterfinal | Anderson K. | 6-4, 6-4 | 42 v 15 |
| Jan 15, 2015 | Heineken OpenATP250 | hard | quarterfinal | Anderson K. | 6-4, 7-6 | 37 v 16 |
| Feb 22, 2014 | Delray Beach OpenATP250 | hard | semifinal | Anderson K. | 6-2, 6-4 | 142 v 21 |
| Jan 8, 2014 | Heineken OpenATP250 | hard | 2nd round | Johnson S. | 7-5, 6-4 | 160 v 20 |
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. Johnson S. and Anderson K. each carry the table against every opponent faced.