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) or her career is said to have achieved a "Career Golden Slam". The event at which the Career Golden Slam was achieved is indicated in bold. Soon after the Open Era began in 1968, the new professional tours each held a year-end championship (YEC), which are elite tournaments involving only the top performers of the given season. The subsequent return of tennis to the Olympics in 1988 gave rise to the notion of a Super Slam as a combination of Golden Slam and YEC title. Eligible YECs are currently called the ATP Finals for men, WTA Finals for women, and