Serbian's Novak Djokovic, pictured during his singles semi-final round match against Britain's Andy Murray, in Wimbledon, on August 3, during the London 2012 Olympic Games. Djokovic will aim to forget... more 

Serbian's Novak Djokovic, pictured during his singles semi-final round match against Britain's Andy Murray, in Wimbledon, on August 3, during the London 2012 Olympic Games. Djokovic will aim to forget his Olympic loss by defending his title at the ATP Tour's Toronto Masters tournament which begins on Monday less