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 the career Golden Grand Slam in both singles and doubles (the Williams sisters had already completed their career doubles Golden Grand Slam at the 2001 Australian Open, joining Pam Shriver in Seoul in 1988 and Gigi Fernández at the 1993 Australian Open.) Furthermore, the Williams sisters also became the first four-time gold medalists in Olympic tennis history. In the men's singles tournament final, Andy Murray beat Roger Federer in straight sets in front of a home crowd to avenge his four-set loss against Federer exactly four weeks earlier on Centre Court in the finals at Wimbledon. In doing so, he