Martina Navratilova (born October 18, 1956, in Prague, Czechoslovakia) is a former World No. 1 woman tennis player. She won 18 Grand Slam singles titles, 31 Grand Slam women's doubles titles (an all-time record), and 10 Grand Slam mixed doubles titles. She reached the Wimbledon singles final 12 times, including 9 consecutive years from 1982 through 1990, and won the women's singles title at Wimbledon a record 9 times. She and King each won 20 Wimbledon titles, an all-time record. Navratilova is one of just three women to have accomplished a career Grand Slam in singles, women's doubles, and mixed doubles (called the Grand Slam "boxed set"). She holds the open era record for most singles and doubles tournament wins (167 and 177 titles respectively). She also recorded the longest winning streak in tennis history (74 matches in a row) and three of the six longest winning streaks in women's tennis history. Navratilova, Margaret Court, and Maureen Connolly Brinker share the record for the most consecutive Grand Slam singles titles (six).