Sue Barker introduces live coverage of the men's semi-finals. At this stage last year, Argentina's David Nalbandian became the first player in Open history to make it through to the final on his Wimbledon debut after beating Belgium's Xavier Malisse in a five-set epic played over two days. BBCi: digital viewers press the red handset button to view other courts/information BBC VIDEO: Wimbledon 2002, featuring highlights of last year's tournament. £14.99 from www.bbcshop.com