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) Games, then was dropped for the next 64 years (except as a demonstration sport in 1968 and 1984) before returning in 1988. As there were only three major championships designated by the International Lawn Tennis Federation before 1925, none of the tennis players who participated in the Olympics between 1896 and 1924 had a chance to complete a Golden Grand Slam. However, there was a possibility to complete a Career Golden Grand Slam by winning the 1920 Olympics or 1924 Olympics plus each of the four grand slams, all of which were present from 1925 onwards. The term "Golden Slam"