Sue Barker presents live coverage as action begins on day one of the Aegon Championships from the Queen's Club in London.
The prestigious tournament acts as a warm-up for Wimbledon, which begins in just two weeks' time, and is being contested by some of the biggest names in tennis. Great Britain's Andy Murray is back to try and reclaim a title he has won twice in the last four years. Also competing in a stellar field is defending champion Marin Cilic, four-time winner Lleyton Hewitt, and the 2010 champion Sam Querrey. Plus Tomas Berdych, Juan Martin Del Potro and Jo-Wilfried Tsonga.