The meeting lasted 1 hour and 30 minutes and ended with the score 4: 6, 6: 7 (5: 7).
In the semifinals of the tournament, Anderson will play either with Austrian Dominik Tim, or with another Russian tennis player Andrei Rublev.
Earlier it was reported that Medvedev won a strong-willed victory over Pospisil and reached the quarter finals of the ATP tournament in Vienna.