Play begins at 12pm ET/5pm BST on Arthur Ashe and 11am ET/4pm BST on Louis Armstrong
Arthur Ashe Stadium
Kristina Mladenovic (Fr) v Roberta Vinci (It), (19) Jo-Wilfried Tsonga (Fr) v (9) Marin Cilic (Cro), (1) Serena Williams (US) v (23) Venus Williams (US), (1) Novak Djokovic (Ser) v (18) Feliciano López (Sp)
Louis Armstrong Stadium
Andrea Hlavackova (Cz) & Lukasz Kubot (Pol) v Anastasia Rodionova (Aus) & Max Mirnyi (Blr), (12) Pierre-Hugues Herbert (Fr) & Nicolas Mahut (Fr) v (3) Jean-Julien Rojer (Neth) & Horia Tecau (Rom), (1) Martina Hingis (Swi) & Sania Mirza (Ind) v (9) Yung-Jan Chan (Tpe) & Hao-Ching Chan (Tpe), Bethanie Mattek-Sands (US) & Sam Querrey (US) v (6) Yaroslava Shvedova (Kaz) & Juan Sebastian Cabal (Col)
Grandstand
Not before 12:30pm ET/5.30pm BST: (15) Lara Arruabarrena (Sp) & Andreja Klepac (Slo) v (11) Sara Errani (It) & Flavia Pennetta (It), (4) Marcin Matkowski (Pol) & Nenad Zimonjic (Ser) v (8) Jamie Murray (GB) & John Peers (Aus)
