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
1977 Grand Prix (tennis) ranked singles players and top four doubles teams were entitled to participate in the season-ending Masters tournament. The list of winners and number of Grand Prix singles titles won, alphabetically by last number of titles: The following players won their first title in 1977: 1977 Grand Prix (tennis) The 1977 Colgate-Palmolive Grand Prix was a professional tennis circuit administered by the International Lawn Tennis Federation (ILTF, later the ITF) which served as a forerunner to the current Association of Tennis Professionals (ATP) World Tour and the Women's Tennis Association (WTA) Tour. The circuit consisted of the four modern Grand Slam