Djokovic sets up Federer clash

Novak Djokovic powered into the Australian Open semi-finals after beating Tomas Berdych in straight sets tonight.

The third seed won 6-1 7-6 (7/5) 6-1 in two hours and 32 minutes to set up a semi-final clash with defending champion Roger Federer, who proved too strong for Swiss compatriot Stanislas Wawrinka earlier.