01/By surface
each with its own count, at equal weight
Hard
1-3
K. leads 3-1 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, I. first |
|---|---|---|---|---|---|---|
| Jan 17, 2019 | Australian OpenGrand Slam, best of 5 | hard | 2nd round | Nishikori K. | 6-3, 7-6, 5-7, 5-7, 7-6 | 73 v 9 |
| Sep 5, 2016 | US OpenGrand Slam, best of 5 | hard | 4th round | Nishikori K. | 6-3, 6-4, 7-6 | 23 v 7 |
| Feb 16, 2014 | U.S. National Indoor Tennis ChampionshipsATP250 | hard | final | Nishikori K. | 6-4, 7-6 | 80 v 16 |
| Feb 26, 2013 | International ChampionshipsATP250 | hard | 1st round | Karlovic I.ret. | 5-4 | 150 v 16 |
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. Karlovic I. and Nishikori K. each carry the table against every opponent faced.