Novak Djokovic shakes off injury scare as Serbia reach United Cup quarter-finals

World No 1 brushed aside wrist concern to beat Jiri Lehecka Serbia scrape past Czech Republic to set up tie against Australia Novak Djokovic has battled his way through a wrist injury as Serbia secured a dream United Cup quarter-final showdown with Australia on a day of high drama and confusion in Perth. The world No 1 was troubled by his right wrist during practice on Tuesday morning, with the injury requiring intense treatment from his physio. Djokovic was cleared to play his singles match aga...