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 1933 Wimbledon Championships (not counting her defaults in the 1926 French and Wimbledon Championships). During this period, she won 6 Wimbledons, 4 French Championships, and 6 U.S. Championships. She also won the 1924 Summer Olympics during this period. Moody never entered the Australian Championships. Doris Hart won all 13 of the Grand Slam mixed doubles tournaments she played beginning with the 1951 French Championships and extending to the 1955 U.S. Championships. During this period, she won 5 Wimbledons, 3 French Championships, and 5 U.S. Championships. Tennis was an Olympic sport from the inaugural 1896 Summer Olympics through the 1924