1. Martina Navratilova is a retired Czech and American tennis player and coach.
2. In 2005, Tennis magazine selected her as the greatest female tennis player for the years 1965 through 2005.
3. Navratilova was World No. 1 for a total of 332 weeks in singles, and a record 237 weeks in doubles, making her the only player in history to have held the top spot in both singles and doubles for over 200 weeks.
4. She was year-end singles No. 1 seven times, including a record five consecutive years, as well as year-end doubles No. 1 five times, including three consecutive years during which she held the ranking for the entire year.
5. She and Billie Jean King each won 20 Wimbledon titles, an all-time record.
6. Navratilova holds the records for most singles titles in the open era.
7. Her record as No.1 in singles is the most dominant in professional tennis.
8. Over five consecutive seasons, she won 428 of 442 singles matches, averaging fewer than 3 losses per year to 87 wins, for a sustained winning percentage of 96.8%.
9. She holds the best season win-loss record for the open era, 86-1 in 1983, and four of the top six open era seasons.
10. She recorded the longest winning streak in the open era and three of the six longest winning streaks.
11. She is the only professional player to have won six major singles crowns without the loss of a set.
12. Navratilova also won the season-ending WTA Tour Championships for top ranked players a record eight times and made the finals a record 14 times.
13. Navratilova also won the WTA Tour Championships doubles title a record 11 times.
14. She is one of only five tennis players all-time to win a multiple slam set in two disciplines, matching Margaret Court, Roy Emerson, Frank Sedgman and Serena Williams.
15. Navratilova took her last major title in 2006, winning the mixed doubles crown at the 2006 US Open, just short of her 50th birthday — 32 years after her first Grand Slam title in 1974.
16. Her parents divorced when she was three, In 1962, her mother Jana married Miroslav Navrátil, who became her first tennis coach.