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
All-time tennis records – women's singles even if not consecutively, is referred to as a "Career Grand Slam". Winning the four Majors and a gold medal in tennis at the Summer Olympics has been called a "Golden Slam" since 1988. Winning all four plus gold at some point in a career, even if not consecutively, is referred to as a "Career Golden Slam". Winning the Year-End Championship also having won a Golden Slam is referred to as a "Super Slam". Winning the four Majors in all three disciplines a player is eligible for – singles, doubles, and mixed doubles – is considered winning a "boxed set"