The 19-year-old powered his way to a 7-5, 7-6 (10/8), 5-7, 6-2 win in the night match to reach his maiden Grand Slam quarterfinal, where he will face Czech youngster Jakub Mensik.
The 19-year-old powered his way to a 7-5, 7-6 (10/8), 5-7, 6-2 win in the night match to reach his maiden Grand Slam quarterfinal, where he will face Czech youngster Jakub Mensik.