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) America by 1930. "Grand slam" has been used in golf since 1930, when Bobby Jones won the four major championships, two British and two American tournaments. Although John F. Kieran of "The New York Times" is widely credited with first applying the term "grand slam" to tennis to describe the winning of all four major tennis tournaments in a calendar year, sports columnist Alan Gould had used the term in that connection almost two months before Kieran. The possibility of being the reigning champion of all the current four majors did not exist until 1924–25, when the International Lawn Tennis