Tsitsipas Defeats Federer at Australian Open; Nadal, Tiafoe Advance to Quarterfinals

Australian Open—Melbourne, Australia

Fourth-round results:

(2) Rafael Nadal Defeats Tomas Berdych 60 61 76(4)
(14) Stefanos Tsitsipas Defeats (3) Roger Federer 67(11) 76(3) 75 76(5)
(22) Roberto Bautista Agut Defeats (6) Marin Cilic 67(6) 63 62 46 64
Frances Tiafoe Defeats (20) Grigor Dimitrov 75 76(6) 67(1) 75