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
Grand Slam (tennis) Grand Slam titles. No male or female player has won all twelve events in one calendar year, although a "career boxed set" has been achieved by three female players. The term "slam" for winning all of the tricks in the (see also whist terms) is attested from early in the 17th century. "Grand slam" for all of the tricks, in contrast to "small slam" or "little slam" for all but one, dates from early in the 19th century. This use was inherited by contract bridge, a modern development of whist defined in 1925 that became very popular in Britain and