01/By surface
each with its own count, at equal weight
Hard
1-0
K. leads 1-0 in 1 meeting on hard
Clay
Never on clay
no meeting on this surface
Grass
1-0
K. leads 1-0 in 1 meeting on grass
02/Every meeting
2 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, K. first |
|---|---|---|---|---|---|---|
| Jun 19, 2018 | Gerry Weber OpenATP500 | grass | 1st round | Khachanov K. | 7-6, 6-3 | 36 v 65 |
| Feb 22, 2018 | Open 13ATP250 | hard | 2nd round | Khachanov K. | 6-2, 6-1 | 47 v 53 |
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. Khachanov K. and Zverev M. each carry the table against every opponent faced.