Grand Slam (tennis) tennis ball, Martina Navratilova finally did it." Although the ITF recognizes what is now unofficially known as the "non-calendar year Grand Slam" on its Roll of Honour, no subsequent player to win four or more majors in a row—Steffi Graf, Serena Williams, or Novak Djokovic—has received bonus prize money. Combining "the" Grand Slam and non-calendar year Grand Slam, the total number of times that players achieved the feat (of being the reigning champion in all four majors) expands to 18. Three women have won four or more consecutive major titles since 1970, with Navratilova taking six in a row in
2013 Andy Murray tennis season 2013 Andy Murray tennis season The 2013 Andy Murray tennis season officially began at the Brisbane International where he was the defending champion. He successfully defended that title, defeating Grigor Dimitrov in straight sets in the final. After a quarterfinal showing at Indian Wells, where he lost to Juan Martín del Potro in 3 sets, Murray recovered to win the Miami Masters for the second time, defeating David Ferrer in the final. Winning in Miami meant that Murray overtook Roger Federer as World No. 2, the first time Murray had held the ranking since September 2009, meaning that neither Federer