Roger Federer of Switzerland returns to Milos Raonic of Canada in their semi final match during the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 08 July 2016. EPA/FACUNDO ARRIZABALAGA

Roger Federer of Switzerland returns to Milos Raonic of Canada in their semi final match during the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 08 July 2016. EPA/FACUNDO ARRIZABALAGA

Milos Raonic of Canada returns to Roger Federer of Switzerland in their semi final match during the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 08 July 2016. EPA/FACUNDO ARRIZABALAGA

Milos Raonic of Canada returns to Roger Federer of Switzerland in their semi final match during the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 08 July 2016. EPA/CLIVE BRUNSKILL

Roger Federer of Switzerland takes a fall as he plays Milos Raonic of Canada in their semi final match during the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 08 July 2016. EPA/ANDY RAIN

Milos Raonic of Canada celebrates after beating Roger Federer of Switzerland in their semi final match during the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 08 July 2016 EPA/ANDY RAIN