Rafael Nadal to meet Andy Murray in quarter - finals of Australian Open after defeating Ivo Daniel 6 - 4 4 - 6 6 - 4 6 - 2 . Roger Federer sets up a last-16 encounter with Bob Hewitt at the Australian Open after a routine win over Albert Montanes . Fourth seed Juan Martin Del Potro and seventh seed Andy Roddick are also through after they lost in four sets . Fifth seed Andy Murray cruises into fourth round and is on course to face Nadal in the quarterfinals .
Rafael Nadal to meet Andy Murray in quarter-finals of Australian Open after beating Ivo Karlovic 6-4 4-6 6-4 6-4 . Roger Federer sets up a last-16 encounter with Lleyton Hewitt at the Australian Open after a routine victory over Albert Montanes . Fourth seed Juan Martin Del Potro and seventh seed Andy Roddick are also through after they win in four sets . Fifth seed Andy Murray cruises into fourth round and is on course to face Nadal in the quarterfinals .