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 at the 2012 Summer Olympics Tennis at the 2012 Summer Olympics The tennis tournaments at the 2012 Summer Olympics in London were staged at the All England Club in Wimbledon, from 28 July to 5 August. This was the first Olympic grass court tournament since tennis was reintroduced as an Olympic sport and the first to be held at a Grand Slam venue in the Open era. (Two other 2012 Summer Olympic bid finalists had also offered Grand Slam venues – second-place finisher Paris offered the French Open venue, the Stade Roland Garros, while fourth-place finisher New York offered the US Open venue, the USTA