Semi-Finals

Sue Barker presents live coverage from west London as the most prestigious Wimbledon warm-up event in the men's game begins to reach its climax. Britain's US Open and Olympic champion Andy Murray had to withdraw from the 2013 French Open because of a troublesome back injury, but he will be determined to be fit and firing in the later stages of this year's Queen's Club Championships - a tournament he won in 2009 and 2011.