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 . `` He can play offensive , he can play defensive . Djokovic beats Berdych for first time since Wimbledon final last year as he closes out his season against Tomas Berdych. 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 .
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 . Djokovic beats Berdych for first time since Wimbledon final last year as he closes out his season against Tomas Berdych. 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 .