2009 US Open – Women's Singles second round. This was also the final Grand Slam singles appearance of Ai Sugiyama, who was on a record-breaking 62nd consecutive Grand Slam singles appearance, lost in the first round to Samantha Stosur. Sugiyama's record-breaking run of 62 consecutive Grand Slam singles appearances remains unbeaten as of 2019. Dinara Safina "(Third round)" 2009 US Open – Women's Singles Serena Williams was the defending champion, but was defeated in the semifinals by the eventual champion Kim Clijsters. Clijsters defeated first time Grand Slam finalist Caroline Wozniacki in the final to win her second US Open title. Clijsters became the first unseeded
1977 US Open – Men's Singles competition was best-of-three sets in the first four rounds followed by best-of-five sets from the quarterfinal onward. The seeded players are listed below. Guillermo Vilas is the champion; others show the round in which they were eliminated. 1977 US Open – Men's Singles The 1977 US Open – Men's Singles event was one of the competitions of the 1977 US Open Grand Slam tennis tournament. It consisted of a draw of 128 players of which 16 were seeded. Fourth-seeded Guillermo Vilas defeated defending champion Jimmy Connors 2–6, 6–3, 7–6, 6–0 in the final, played on September 11, 1977 on outdoor