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
0-1
D. leads 1-0 in 1 meeting on grass
02/Every meeting
3 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, D. first |
|---|---|---|---|---|---|---|
| Jul 3, 2017 | WimbledonGrand Slam, best of 5 | grass | 1st round | Young D.ret. | 5-7, 6-4, 6-4, 4-2 | 72 v 43 |
| Aug 25, 2015 | Winston-Salem Open at Wake Forest UniversityATP250 | hard | 1st round | Istomin D. | 6-3, 6-3 | 69 v 68 |
| Jul 31, 2014 | Citi OpenATP500 | hard | 3rd round | Young D. | 6-3, 3-6, 6-3 | 41 v 73 |
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. Istomin D. and Young D. each carry the table against every opponent faced.