Djokovic, Haas and del Potro progress at Wimbledon

World number one Novak Djokovic got the job done with the minimum of fuss on Centre Court today as he kicked off his Wimbledon championship with a straight-sets win over Florian Mayer.

Despite a smattering of good moments, German Mayer was unable to lay a hand on the 2011 winner and current Australian Open champion as he went down 6-3 7-5 6-4.