01/By surface
each with its own count, at equal weight
Hard
4-0
K. leads 4-0 in 4 meetings on hard
Clay
1-0
K. leads 1-0 in 1 meeting on clay
Grass
1-0
K. leads 1-0 in 1 meeting on grass
02/Every meeting
6 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, K. first |
|---|---|---|---|---|---|---|
| Jul 8, 2019 | WimbledonGrand Slam, best of 5 | grass | 4th round | Nishikori K. | 6-3, 3-6, 6-3, 6-4 | 7 v 58 |
| Oct 27, 2018 | Erste Bank OpenATP500 | hard | semifinal | Nishikori K. | 6-4, 6-3 | 11 v 71 |
| May 23, 2017 | Geneva OpenATP250 | clay | 2nd round | Nishikori K. | 6-4, 6-3 | 9 v 88 |
| Mar 13, 2016 | BNP Paribas OpenMasters 1000 | hard | 2nd round | Nishikori K. | 6-3, 6-3 | 6 v 90 |
| Feb 13, 2016 | Memphis OpenATP250 | hard | quarterfinal | Nishikori K. | 6-2, 6-4 | 7 v 93 |
| Jan 6, 2016 | Brisbane InternationalATP250 | hard | 2nd round | Nishikori K. | 6-3, 6-4 | 8 v 65 |
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. Nishikori K. and Kukushkin M. each carry the table against every opponent faced.