Stanislas Wawrinka, Marin Cilic to play in Aegon Championships at Queen's

Grand Slam winners Stanislas Wawrinka and Marin Cilic will play in the Aegon Championships at Queen's Club this summer.

Wawrinka broke the stranglehold of the 'big four' of men's tennis - Novak Djokovic, Rafael Nadal, Roger Federer and Andy Murray by winning the Australian Open last year, while Cilic's victory at the US Open in September was also a big surprise.

Cilic, the 2012 Queen's winner, and Wawrinka join Murray, defending champion Grigor Dimitrov and Lleyton Hewitt in committing to the tournament, which is a Wimbledon warm-up on grass and begins two weeks before the third Slam of the year on June 15.

Dimitrov won last year's tournament by defeating Spanish grass-court specialist Feliciano Lopez in the final.