Grand Slam (tennis) ten women have won Career Grand Slams in singles play (rows one and two); among them two men and five women have at least two Career Grand Slams in singles (column three). Since the beginning of the open era, five men (Rod Laver, Andre Agassi, Roger Federer, Rafael Nadal, Novak Djokovic) and six women (Margaret Court, Chris Evert, Martina Navratilova, Steffi Graf, Serena Williams and Maria Sharapova) have achieved this. Several singles players have won three major championships without achieving the Career Grand Slam, grouped by the "missing" Grand Slam tournament: Several doubles players have won three major championships without
Grand Slam (tennis) singles player to win four consecutive major titles, no matter the time of completion. Although groups variously identified as the Men's International Professional Tennis Council, "abetted primarily by some British tennis writers", and "European tennis journalists" had advocated for the ITF to change the definition of "Grand Slam", ITF General Secretary David Gray made it clear that this was not going to happen. In a 1983 letter to tennis journalist Paul Fein, Gray clarified: The ITF's plan was to offer the cash bonus for three years, apparently to encourage players to compete in all four major tournaments as much as