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.
Tennis in Australia won the Davis Cup 15 times from 1950 to 1967, led by outstanding players such as Frank Sedgman, Ken Rosewall, Lew Hoad, Roy Emerson, and Ashley Cooper. Rod Laver has twice achieved the Grand Slam in men's singles, in 1963 and 1969, the only tennis player to have accomplished this feat. Fellow Australian tennis player Margaret Smith Court also achieved the Grand Slam in women's singles in 1969, Smith Court also holds the record for the greatest number of women's singles Grand Slams won and is one of only three players ever to have won a career Grand Slam "boxed