Relentless Djokovic shows no signs of slowing down

Serb primed for ATP finals after blowing away Murray in Paris

A long year has taken its toll on some of the world's best tennis players, but the relentless Novak Djokovic gives no indication he is about to slacken the pace as he heads to the season-ending ATP World Tour finals in London.

Djokovic's single-minded desire for tennis perfection is pushing him to a consistently brilliant level, one which proved far too high for Andy Murray on Sunday.