01/By surface
each with its own count, at equal weight
Hard
Never on hard
no meeting on this surface
Clay
2-0
F. leads 2-0 in 2 meetings on clay
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, F. first |
|---|---|---|---|---|---|---|
| May 10, 2021 | Internazionali BNL d'ItaliaMasters 1000 | clay | 1st round | Delbonis F. | 3-6, 6-4, 6-0 | 64 v 24 |
| Jul 28, 2017 | German Tennis ChampionshipsATP500 | clay | quarterfinal | Delbonis F. | 7-5, 3-6, 6-4 | 81 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. Delbonis F. and Khachanov K. each carry the table against every opponent faced.