Martina Navratilova age 34, Navratilova defeated Graf the last time they played in a major in the semifinals of the 1991 US Open 7–6(2), 6–7(6), 6–4, to end their Grand Slam rivalry 5-4 up. It is worthy to note that all 4 of Graf's Grand Slam victories over Navratilova came in the finals of a Slam. This is reflected in the Grand Slams Finals chart below. Navratilova's final major singles triumph was in 1990. In the final, the 33-year-old Navratilova swept Zina Garrison 6–4, 6–1 to claim an all-time record ninth Wimbledon singles crown. Though that was her last major singles title,
Martina Navratilova Her winning percentage was the best ever for a post-1968 professional tennis player. During 1982, 1983, and 1984, Navratilova lost a total of only six singles matches. This included a run of 13 consecutive victories over her closest rival and world-ranked No. 2, Chris Evert. Navratilova's reign from 1982 to 1986 is the most dominant unbroken spell in the professional era. Navratilova won the 1984 French Open, thus holding all four major singles titles simultaneously. Her accomplishment was declared a "Grand Slam" by Philippe Chatrier, president of the International Tennis Federation, although some tennis observers countered that it was not