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.
1974 Grand Prix (tennis) with numbers of ranking points, points averages, numbers of tournaments played, year-end rankings in 1974, highest and lowest positions during the season and number of spots gained or lost from the first rankings to the year-end rankings. The list of winners and number of Grand Prix singles titles won, sorted by number of titles (Grand Slam titles in bold): The following players won their first Grand Prix title in 1974: 1974 Grand Prix (tennis) The 1974 Commercial Union Assurance Grand Prix was a professional tennis circuit administered by the International Lawn Tennis Federation (ILTF) which served as a forerunner to