01/By surface
each with its own count, at equal weight
Hard
3-0
G. leads 3-0 in 3 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
Never on grass
no meeting on this surface
02/Every meeting
3 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, G. first |
|---|---|---|---|---|---|---|
| Feb 16, 2017 | ABN AMRO World Tennis TournamentATP500 | hard | 2nd round | Dimitrov G. | 7-6, 6-1 | 12 v 76 |
| Jan 23, 2017 | Australian OpenGrand Slam, best of 5 | hard | 4th round | Dimitrov G. | 2-6, 7-6, 6-2, 6-1 | 15 v 117 |
| Oct 6, 2014 | Shanghai MastersMasters 1000 | hard | 1st round | Dimitrov G. | 6-3, 6-3 | 10 v 51 |
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. Dimitrov G. and Istomin D. each carry the table against every opponent faced.