Former Australian and French Open winner Jim Courier has revealed his personal top three players of all time - with Roger Federer having to settle for third.

Novak Djokovic now holds another Grand Slam record as he officially surpassed fellow tennis legend Roger Federer on Wednesday when he played the 430th major match in his career. After Djokovic's first-round match at the Australian Open on Monday, he tied Federer for the record.

Roger Federer and Novak Djokovic are two of the greatest tennis players in history. But who is the best? A former World No. 7 player and Olympic gold medalist has the answer.