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 tournament records and statistics Tennis tournament records and statistics This is a list of individual tennis records, statistics and milestones other than Grand Slam tournaments. This includes the Olympics, Davis Cup, secondary events on the ATP and WTA tours, and earlier ITLF tournaments. For records of the grand slam tournaments please see: List of Grand Slam related tennis records. The following are tennis players who have won a particular tournament at least five times. Note: Grand Slam tournaments in boldface Note: Grand Slam tournaments in boldface The following are tennis players who have won a particular tournament at least five times in a row.