Tennis: World Tour Finals - 2009 - 28/11/2009

Sue Barker presents live coverage from the semi-finals of the Barclays ATP Tour World finals, which are taking place at London's O2 Arena for the first time. Over the last week, the likes of Roger Federer, Rafael Nadal and Andy Murray have battled it out for the prestigious title. British star Murray will be looking to end the season on a high note, having got as high as number two in the world during the course of it.