25 January 2013 Last updated at 13:48

Andy Murray on Australian Open win over Roger Federer

Andy Murray describes his five-set win over Roger Federer in the 2013 Australian Open semi-final as a "huge mental and physical effort".

The Briton, seeded third, will face world number one Novak Djokovic in Sunday's final after beating Federer 6-4 6-7 (5-7) 6-3 6-7 (2-7) 6-2.

Murray, who beat the Serb in the 2012 US Open final to secure his first Grand Slam, admits he now has the mental strength to overcome difficult matches.

Watch the Australian Open final live on BBC One and this website on Sunday from 08:15 GMT.