Andy Murray of Britain returns to Nick Kyrgios of Australia in their fourth round match during the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 04 July 2016. EPA/FACUNDO ARRIZABALAGA

Andy Murray of Britain returns to Nick Kyrgios of Australia in their fourth round match during the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 04 July 2016. EPA/FACUNDO ARRIZABALAGA

Andy Murray of Britain serves to Nick Kyrgios of Australia in their fourth round match during the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 04 July 2016. EPA/FACUNDO ARRIZABALAGA

Andy Murray of Britain returns to Nick Kyrgios of Australia in their fourth round match during the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 04 July 2016. EPA/FACUNDO ARRIZABALAGA

Andy Murray of Britain celebrates his win over Nick Kyrgios of Australia in their fourth round match during the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 04 July 2016. EPA/FACUNDO ARRIZABALAGA