01/By surface
each with its own count, at equal weight
Hard
1-2
K. leads 2-1 in 3 meetings on hard
Clay
1-0
P.H. leads 1-0 in 1 meeting 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, P.H. first |
|---|---|---|---|---|---|---|
| Mar 9, 2021 | Open 13ATP250 | hard | 1st round | Herbert P.H. | 6-1, 6-4 | 93 v 40 |
| Apr 17, 2019 | Monte Carlo MastersMasters 1000 | clay | 2nd round | Herbert P.H. | 7-5, 6-4 | 49 v 6 |
| Feb 12, 2019 | ABN AMRO World Tennis TournamentATP500 | hard | 1st round | Nishikori K. | 3-6, 6-1, 6-4 | 36 v 7 |
| Mar 26, 2016 | Sony Ericsson OpenMasters 1000 | hard | 2nd round | Nishikori K. | 6-2, 7-6 | 106 v 6 |
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. Herbert P.H. and Nishikori K. each carry the table against every opponent faced.