Martina Navratilova is a former professional tennis player and coach, widely regarded as one of the greatest female athletes in the history of the sport. Born on October 18, 1956, in Prague, Czechoslovakia, she became a naturalized American citizen in 1981. Navratilova is known for her powerful serve and exceptional volleying skills, winning a total of 18 Grand Slam singles titles and 31 Grand Slam doubles titles throughout her career. In addition to her achievements on the court, Navratilova is also recognized for her advocacy for LGBTQ+ rights and health issues. She came out as gay in 1981 and has been a prominent figure in promoting equality and acceptance. Her contributions to tennis and society have made her an influential role model for many.