Serbia's Novak Djokovic topped the Association of Tennis Professionals (ATP) year-end world rankings issued on Monday.
The 28-year-old winner of 11 Grand Slam titles garnered 16,585 points, a massive 7,640 over second-placed Andy Murray of Britain, to top the year the fourth time, after 2011, 2012 and 2014, reports Xinhua.
Switzerland's Roger Federer was third with 8,265 points.