Roger Federer took a step closer to retaining the Australian Open title with a 7-6, 6-3, 6-4 win over Czech No 19 seed Tomas Berdych. Federer, 36, is chasing his 20th grand slam title and will meet South Korea's Hyeon Chung for a place in Sunday's final. Watch the highlights from Federer's quarter-final win above. <strong>______________________________________________</strong> <strong>Read more:</strong> <strong>______________________________________________</strong>
