Federer sweeps past Youzhny into semis

Roger Federer had Mikhail Youzhny in such knots as he breezed through to a Wimbledon semi-final appointment with Novak Djokovic that the Russian turned to the Royal Box for help.

Six-time champion Federer coasted to a 6-1 6-2 6-2 victory against a player he has never lost to.