The meeting lasted 1 hour 45 minutes and ended with a score of 6: 4, 2: 6, 6: 0.
In the semifinals, the Russian tennis player will play with the American Coco Vandevey, who defeated another representative of the Czech Republic, Maria Bouzkova.
Earlier, Andrei Rublev beat Nikoloz Basilashvili and reached the final of the ATP tournament in Halle.