Rafael Nadal Battles Past Kyrgios To Reach Australian Open Quarter-finals

World No.1 Rafael Nadal proved to be the tougher player in a thrilling four-set fourth-round match against Nick Kyrgios at the the Australian Open Monday. The 33-year-old Spanish top seed was forced to drop a set for the first time in this tournament (6-3, 3-6, 7-6(6), 7-6(4)) to set up a quarter-final with Austrian fifth seed Dominic Thiem. The match lasted 3 hours and 38 minutes. Thiem made h