01/By surface
each with its own count, at equal weight
Hard
Never on hard
no meeting on this surface
Clay
1-1
Level 1-1 in 2 meetings on clay
Grass
1-0
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 15, 2016 | Hall of Fame ChampionshipsATP250 | grass | quarterfinal | Young D. | 6-2, 6-3 | 61 v 25 |
| Apr 5, 2016 | U.S. Men's Clay Court ChampionshipsATP250 | clay | 1st round | Young D. | 6-4, 6-3 | 85 v 33 |
| Apr 7, 2015 | U.S. Men's Clay Court ChampionshipsATP250 | clay | 1st round | Johnson S. | 7-5, 6-4 | 45 v 52 |
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. Young D. and Johnson S. each carry the table against every opponent faced.