Andy Murray to face Jerzy Janowicz in Wimbledon semi-final

Coverage: Live on BBC TV, 3D, BBC HD Channel, Red Button, BBC Radio 5 live, plus the BBC Sport website, tablet, mobile and connected TV. Andy Murray will have to deal with the biggest serve in the tournament when he takes on 6ft 8in Jerzy Janowicz in Friday's semi-finals at Wimbledon. via Pocket http://www.bbc.co.uk/sport/0/tennis/23183720