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 Cup ranking points in the rest of the year. Present Finals rules ensure the participation of a Grand Slam champion who is unable to earn a top eight ranking at the end of the season and automatic qualification for the top seven players in the computer rankings. The eighth ranked player, however, qualifies only if all Grand Slam singles champions are among the top eight. Any Grand Slam event champion who is not in the top eight but is still in the top twenty is included to the detriment of the eighth ranked player. This situation occurred at the 2004 Tennis