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) feat twice in men's singles; Margaret Court accomplished the feat three times, in two different disciplines – once in women's singles and twice in mixed doubles; and Esther Vergeer completed a grand slam twice in Women's wheelchair doubles. The four Junior disciplines, boys' and girls' singles and doubles, provide limited opportunities to achieve a Grand Slam. Players are only eligible from age 13 to 18, with 18-year-olds likely to hold a physical advantage. Only Stefan Edberg has completed the Grand Slam in a Junior discipline. In 1982, the International Tennis Federation (ITF) began offering a $1 million bonus to any