By surface
| Surface | Grigor Dimitrov | Denis Istomin |
|---|---|---|
| Hard | 3 | 0 |
All meetings (3)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2017-02-13 | ATP | Rotterdam | Round of 16 | Hard | Grigor Dimitrov | 7-67 | 6-1 | |||
| 2017-01-16 | ATP | Australian Open | Round of 16 | Hard | Grigor Dimitrov | 2-6 | 7-62 | 6-2 | 6-1 | |
| 2014-10-05 | ATP | Shanghai Masters | Round of 64 | Hard | Grigor Dimitrov | 6-3 | 6-3 |