2016 Andy Murray tennis season to defend the Olympic singles title. In the 2016 season, Murray became the first male player to win singles titles at a Grand Slam, the Olympics, a Masters 1000 event, and the ATP Finals in the same calendar year (Serena Williams, in 2012, is the only other person to accomplish this feat). On 7 November, Murray became the first British man and twenty-sixth male player to attain the world No. 1 ranking in singles since records began in 1973, displacing long-time rival and friend, Novak Djokovic. At , Murray is the oldest first-time singles No. 1 in the last 40
Grand Slam (tennis) Games, then was dropped for the next 64 years (except as a demonstration sport in 1968 and 1984) before returning in 1988. As there were only three major championships designated by the International Lawn Tennis Federation before 1925, none of the tennis players who participated in the Olympics between 1896 and 1924 had a chance to complete a Golden Grand Slam. However, there was a possibility to complete a Career Golden Grand Slam by winning the 1920 Olympics or 1924 Olympics plus each of the four grand slams, all of which were present from 1925 onwards. The term "Golden Slam"