01/By surface
each with its own count, at equal weight
Hard
2-0
D. leads 2-0 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, D. first |
|---|---|---|---|---|---|---|
| Sep 25, 2015 | St. Petersburg OpenATP250 | hard | quarterfinal | Thiem D. | 6-2, 7-5 | 21 v 62 |
| Sep 3, 2015 | US OpenGrand Slam, best of 5 | hard | 2nd round | Thiem D.ret. | 6-4, 6-4, 1-0 | 20 v 70 |
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. Thiem D. and Istomin D. each carry the table against every opponent faced.