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
Chris Evert's Grand Slam history Chris Evert's Grand Slam history Chris Evert won eighteen grand slam singles tournaments in her career (two Australian Open's, seven French Open's, three Wimbledon Championships', and six US Opens), and was runner-up in sixteen other finals ( giving her 34 finals appearances). Evert competed in 56 Grand Slam singles tournaments, reaching the semi-finals or better in 52 of them. Evert only lost twice in a grand slam tournament before the quarterfinal round, losing at the 3rd-round stage at Wimbledon in 1983 and the French Open in 1988. Evert won 46 straight matches and 12 tournaments, which started February 21, 1971