MIAMI OPEN PRESENTED BY ITAÚ—MIAMI, FL, U.S.A.
Fourth-round results:
(16) Alexander Zverev DEFEATS (1) Stan Wawrinka 46 62 61
(2) Kei Nishikori DEFEATS Federico Delbonis 63 46 63
(4) Roger Federer DEFEATS (14) Roberto Bautista Agut 76(5) 76(4)
(5) Rafael Nadal DEFEATS Nicolas Mahut 64 76(4)
(10) Tomas Berdych DEFEATS Adrian Mannarino 63 75
(13) Jack Sock DEFEATS Jared Donaldson 62 61
Fabio Fognini DEFEATS Donald Young 60 64
