01/By surface
each with its own count, at equal weight
Hard
Never on hard
no meeting on this surface
Clay
0-3
D. leads 3-0 in 3 meetings on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
3 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, K. first |
|---|---|---|---|---|---|---|
| Sep 24, 2020 | German Tennis ChampionshipsATP500 | clay | 2nd round | Lajovic D. | 6-1, 6-2 | 16 v 24 |
| May 7, 2018 | Mutua Madrid OpenMasters 1000 | clay | 1st round | Lajovic D. | 6-3, 6-2 | 38 v 95 |
| Jul 21, 2016 | Generali OpenATP250 | clay | quarterfinal | Lajovic D. | 6-3, 6-2 | 104 v 83 |
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 Lajovic D. each carry the table against every opponent faced.