Martina Navratilova

Born on Oct. 18, 1956 in Prague, Czechoslovakia, Navratilova was three years old when her parents divorced. Her mother remarried to Miroslav Navrátil, who became her first tennis coach. In 1972, she won the Czechoslovakian national championship at 15 years old and the following year debuted with the United States Lawn Tennis Association tour, but did not turn pro until she was 17. After winning her first pro title, she began appearing in Grand …