Four competitors were neck and neck on the final nine in 1987 at The Olympic Club. Who remembers who came out on top? | U.S. Open Championship

Unmatched: Tracy Austin arrived at the 1981 US Open final with a 16 match winning streak, one that never waned as she toppled the mighty Martina Navratilova 1-6, 7-6(4), 7-6(1) to take home the title. Iconic in every sense, here's a #FlashbackFriday from the tennis history books. #USOpen http://www.usopen.org/ | US Open Tennis Championships

In 1984, Martina Navratilova became the first player in Open Era history to win a Grand Slam singles title on 3 different surfaces in the same calendar year. | US Open Tennis Championships