Steffi Graf competed in multiple professional tennis competitions like the Australian Open, the US Open, and French Open.
Grand Slam (tennis) . The Grand Slam itinerary consists of the Australian Open in mid January , the French Open in May and June , Wimbledon in June and July , and the US Open in August and September . Steffi Graf . In 1988 , she became the first and only tennis player ( male or female ) to achieve the Golden Slam by winning all four Grand Slam singles titles and the Olympic gold medal in the same calendar year . Graf won six French Open singles titles ( second to Evert ) , seven Wimbledon singles titles , four Australian Open titles , and five U.S. Open singles titles . She won 5 consecutive Majors ( 1988 Australian Open to 1989 Australian Open ) , and seven Majors out of eight , in two calendar years ( 1988 Australian Open to 1989 US Open , except 1989 French Open ) .