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
2015 Andy Murray tennis season 2015 Andy Murray tennis season The 2015 Andy Murray tennis season began at the Australian Open. Murray was the defending champion at the Shenzhen, Vienna and Valencia Opens, but chose not to defend these titles. His season saw him reach seven singles finals, winning titles at Munich, Madrid, Queen's and Montreal, while he won eight singles and three doubles rubbers to help lead Great Britain to the Davis Cup title for the first time in 79 years. At the beginning of the year Murray teamed up with Heather Watson in the Hopman Cup, where in the group stage they having