The meeting ended with a score of 6: 4, 4: 6, 3: 6 in favor of the Bulgarian tennis player.
The match lasted 2 hours and 16 minutes.
In the quarter finals, Dimitrov will play with the Pole Hubert Khurkach, who won in the fourth round of another Russian, Aslan Karatsev.
Earlier it was reported that Karatsev lost to Khurkach in the 1/8 finals at the Indian Wells tournament.