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,
Grand Slam (tennis) the Wheelchair Tennis Masters. No player has ever completed the Super Slam in a single season. Only one player has completed the Super Slam in a period of twelve months: Players who have won three of the four Grand Slam tournaments in the same year. Jack Crawford, Lew Hoad, Martina Navratilova and Serena Williams won the first three events, but lost the last grand slam tournament. Crawford, an asthmatic, won two of the first three sets of the 1933 U.S. Championships final against Fred Perry, then tired in the heat and lost the last two sets and the match. Until