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
2000 US Open – Men's Singles 2000 US Open – Men's Singles Andre Agassi was the defending champion but lost in the second round to Arnaud Clément. Marat Safin defeated Pete Sampras 6–4, 6–3, 6–3 in the final to win the Men's Singles tennis title at the 2000 US Open. The tournament was also notable for the first Grand Slam appearance of future World No. 1 and champion Andy Roddick competed in the main draw, and the first appearance of Roger Federer in a U.S Open Grand Slam. The seeded players are listed below. Marat Safin is the champion; others show the round in which they