Martina Navratilova her U.S. citizenship nor does she plan to do so, and that reclaiming Czech nationality was not politically motivated. Navratilova was born Martina Šubertová in Prague, Czechoslovakia. Her parents divorced when she was three, and her mother, an accomplished gymnast, tennis player, and ski instructor, moved the family to Řevnice. In 1962, her mother Jana married Miroslav Navrátil, who became her first tennis coach. Martina then took the name of her stepfather (adding the feminine suffix "ová"), thus becoming Martina Navrátilová (). Her father, Mirek (officially Miroslav Subert), was a ski instructor and remarried and divorced. When she was eight,
Martina Navratilova Her winning percentage was the best ever for a post-1968 professional tennis player. During 1982, 1983, and 1984, Navratilova lost a total of only six singles matches. This included a run of 13 consecutive victories over her closest rival and world-ranked No. 2, Chris Evert. Navratilova's reign from 1982 to 1986 is the most dominant unbroken spell in the professional era. Navratilova won the 1984 French Open, thus holding all four major singles titles simultaneously. Her accomplishment was declared a "Grand Slam" by Philippe Chatrier, president of the International Tennis Federation, although some tennis observers countered that it was not