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) feat twice in men's singles; Margaret Court accomplished the feat three times, in two different disciplines – once in women's singles and twice in mixed doubles; and Esther Vergeer completed a grand slam twice in Women's wheelchair doubles. The four Junior disciplines, boys' and girls' singles and doubles, provide limited opportunities to achieve a Grand Slam. Players are only eligible from age 13 to 18, with 18-year-olds likely to hold a physical advantage. Only Stefan Edberg has completed the Grand Slam in a Junior discipline. In 1982, the International Tennis Federation (ITF) began offering a $1 million bonus to any