01/By surface
each with its own count, at equal weight
Hard
3-1
K. leads 3-1 in 4 meetings on hard
Clay
Never on clay
no meeting on this surface
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, K. first |
|---|---|---|---|---|---|---|
| Sep 26, 2023 | Zhuhai ChampionshipsATP250 | hard | final | Khachanov K. | 7-6, 6-1 | 15 v 46 |
| Jan 22, 2023 | Australian OpenGrand Slam, best of 5 | hard | 4th round | Khachanov K. | 6-0, 6-0, 7-6 | 20 v 33 |
| Aug 4, 2022 | Citi OpenATP500 | hard | 3rd round | Nishioka Y. | 7-6, 7-6 | 24 v 96 |
| Jan 16, 2019 | Australian OpenGrand Slam, best of 5 | hard | 2nd round | Khachanov K. | 6-3, 6-3, 6-3 | 11 v 69 |
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 Nishioka Y. each carry the table against every opponent faced.