01/By surface
each with its own count, at equal weight
Hard
0-2
K. leads 2-0 in 2 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
Never on grass
no meeting on this surface
02/Every meeting
2 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, J. first |
|---|---|---|---|---|---|---|
| Oct 20, 2021 | Kremlin CupATP250 | hard | 2nd round | Khachanov K. | 3-6, 6-3, 6-1 | 52 v 31 |
| Oct 13, 2020 | St. Petersburg OpenATP250 | hard | 1st round | Khachanov K. | 6-4, 6-4 | 93 v 17 |
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. Duckworth J. and Khachanov K. each carry the table against every opponent faced.