SundayAt The USTA Billie Jean King National Tennis CenterNew YorkPurse: $38.3 million (Grand Slam)Surface: Tomas Berdych (6), Czech Republic, def. Roger Federer (2), Switzerland, def. DoublesMenThird RoundEric Butorac, United States, and Raven Klaasen (12), South Africa, def. Scott Lipsky and Rajeev Ram, United States, def. WomenThird RoundSerena and Venus Williams, United States, def. MixedSecond RoundTaylor Townsend and Donald Young, United States, def. Chan Hao-ching, Taiwan, and Max Mirnyi, Belarus, 6-3, 6-2. Junior SinglesBoysFirst RoundFrancis Tiafoe (6), United States, def. Henrik Wiersholm, United States, def. Alex Rybakov, United States, def. GirlsFirst RoundKelly Chen, United States, def. Michaela Gordon, United States, def. Usue Maitane Arconada, United States, def. Anna Blinkova, Russia, leads Dasha Ivanova, United States, 4-1 (30-30), susp., rain. Tami Grende, Indonesia, leads Sofia Kenin, United States, 3-2, susp., rain. Evgeniya Levashova, Russia, leads Brooke Austin, United States, 6-0, 1-4 (0-30), susp., rain.