Dustin Brown of Germany in action against Viktor Troicki of Serbia during their third round match for the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 04 July 2015. EPA/ANDY RAIN

Dustin Brown of Germany takes on Rafael Nadal of Spain in their second round match during the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 02 July 2015. EPA/FACUNDO ARRIZABALAGA

Dustin Brown of Germany in action against Rafael Nadal of Spain during their second round match for the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 02 July 2015. EPA/FACUNDO ARRIZABALAGA

Dustin Brown of Germany returns to Rafael Nadal of Spain in their second round match during the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 02 July 2015. EPA/FACUNDO ARRIZABALAGA

Dustin Brown of Germany in action against Viktor Troicki of Serbia during their third round match for the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 04 July 2015. EPA/ANDY RAIN