$ 0 0 Grigor Dimitrov of Bulgaria reacts during his men's singles quarter-final tennis match against Andy Murray of Britain at the Wimbledon Tennis Championships, in London, on July 2, 2014. Britain's Andy Murray serves to Bulgaria's Grigor Dimitrov during their men's singles quarter-final match on day nine of the 2014 Wimbledon Championships at The All England Tennis Club, in Wimbledon, on July 2, 2014.Bulgaria's Grigor Dimitrov returns to Britain's Andy Murray during their men's singles quarter-final match on day nine of the 2014 Wimbledon Championships at The All England Tennis Club, in Wimbledon, on July 2, 2014.Grigor Dimitrov of Bulgaria (R) shakes hands with Andy Murray of Britain after defeating him in their men's singles quarter-final tennis match at the Wimbledon Tennis Championships, in London, on July 2, 2014. Grigor Dimitrov of Bulgaria plays a return to Andy Murray of Britain during their men's singles quarterfinal match at the All England Lawn Tennis Championships at Wimbledon, on July 2, 2014Grigor Dimitrov of Bulgaria reacts after defeating Andy Murray of Britain in their men's singles quarter-final tennis match at the Wimbledon Tennis Championships, in London, on July 2, 2014.Grigor Dimitrov of Bulgaria celebrates defeating defending champion Andy Murray of Britain in their men's singles quarterfinal match at the All England Lawn Tennis Championships, in Wimbledon, on July 2, 2014.Grigor Dimitrov of Bulgaria reacts during his men's singles quarter-final tennis match against Andy Murray of Britain at the Wimbledon Tennis Championships, in London, on July 2, 2014. Andy Murray of Britain walks to the net to congratulate Grigor Dimitrov of Bulgaria after he was defeated in their men's singles quarterfinal match at the All England Lawn Tennis Championships, in Wimbledon, on July 2, 2014.Andy Murray of Britain reacts in frustration in his men's singles quarterfinal match against Grigor Dimitrov of Bulgaria at the All England Lawn Tennis Championships, in Wimbledon, on July 2, 2014.Andy Murray of Britain reacts during his men's singles quarter-final tennis match against Grigor Dimitrov of Bulgaria at the Wimbledon Tennis Championships, in London, on July 2, 2014.Grigor Dimitrov of Bulgaria, left, is congratulated by defending champion Andy Murray of Britain after winning their men's singles quarterfinal match at the All England Lawn Tennis Championships, in Wimbledon, on July 2, 2014.