The meeting lasted 2 hours 37 minutes and ended with a score of 7: 6 (7: 3), 6: 7 (7: 9), 6: 4 in favor of the second racket of the world.
In the 1/8 finals, Medvedev will face either the American Francis Tiafoe or the Serb Dusan Lajovic.
Earlier it was reported that Khachanov lost to Sinner in the third round of the ATP tournament in Miami.