The meeting ended with the defeat of the Russian athlete with a score of 3: 6, 6: 7.
The match lasted 1 hour and 54 minutes.
In the semifinals of the competition, Christian will meet with his compatriot, ex-first racket of the world, Simona Halep.
Earlier it was reported that Khromacheva and Morozova reached the semifinals of the doubles tournament in Linz.