Swiss maestro Roger Federer is through to the final four of the Australian Open after crushing German Mischa Zverev.
The four-time Australian Open champion Federer rolled the world No.50 6-1 7-5 6-2 on Tuesday night.
In the semi-finals Federer will face fellow Swiss Stan Wawrinka, who earlier ousted Frenchman Jo-Wilfried Tsonga in straight sets.