01/By surface
each with its own count, at equal weight
Hard
1-1
Level 1-1 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, Y. first |
|---|---|---|---|---|---|---|
| Jan 8, 2018 | ASB ClassicATP250 | hard | 1st round | Khachanov K. | 6-1, 3-6, 6-4 | 41 v 48 |
| Aug 17, 2017 | Western & Southern Financial Group MastersMasters 1000 | hard | 3rd round | Sugita Y. | 6-7, 6-3, 6-3 | 46 v 32 |
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. Sugita Y. and Khachanov K. each carry the table against every opponent faced.