Australian Open—Melbourne, Australia
Fourth-round results:
(2) Roger Federer Defeats Marton Fucsovics 64 76(3) 62
Tennys Sandgren Defeats (5) Dominic Thiem 62 46 76(4) 67(7) 63
Hyeon Chung Defeats (14) Novak Djokovic 76(4) 75 76(3)
(19) Tomas Berdych Defeats (25) Fabio Fognini 61 64 64
