Steffi Graf is a former professional tennis player from Germany, born on June 14, 1969. She is regarded as one of the greatest female tennis players of all time, winning 22 Grand Slam singles titles and an Olympic gold medal in her illustrious career. Graf achieved the calendar-year Grand Slam in 1988 and spent a record 377 weeks as the world No. 1 player. Known for her powerful forehand and versatile playing style, Graf retired in 1999 with numerous accolades, cementing her legacy as a tennis icon.