Steffi Graf Steffi Graf Stefanie Maria "Steffi" Graf (; born 14 June 1969) is a German former professional tennis player. She was ranked world No. 1 and won 22 Grand Slam singles titles. Her 22 singles titles put her second on the list of major wins in the female competition since the introduction of the Open Era in 1968 and is third all-time behind Margaret Court (24) and Serena Williams (23). In 1988, she became the only tennis player to achieve the Golden Slam by winning all four Grand Slam singles titles and the Olympic gold medal in the same calendar year.
Grand Slam (tennis) the Wheelchair Tennis Masters. No player has ever completed the Super Slam in a single season. Only one player has completed the Super Slam in a period of twelve months: Players who have won three of the four Grand Slam tournaments in the same year. Jack Crawford, Lew Hoad, Martina Navratilova and Serena Williams won the first three events, but lost the last grand slam tournament. Crawford, an asthmatic, won two of the first three sets of the 1933 U.S. Championships final against Fred Perry, then tired in the heat and lost the last two sets and the match. Until