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 donated more than $25000 to Democrat campaigns. By winning the 1983 US Open title, Navratilova completed the Career Grand Slam. She became only the seventh female player in history to achieve this. In 2005, "Tennis" magazine selected her as the greatest female tennis player for the years 1965 through 2005, directly over Steffi Graf. Billie Jean King, a former World No. 1 player, said in 2006 that Navratilova is "the greatest singles, doubles and mixed doubles player who's ever lived." In 2008, tennis historian and journalist Bud Collins called Navratilova "arguably, the greatest player of all time." In 2006, Martina