11am start (4pm BST) unless stated
Arthur Ashe Stadium 11.30am (4.30pm BST)
Naomi Osaka (Jpn, 13) v Katerina Siniakova (Cze)
Taylor Fritz (USA, 9) v Mattia Bellucci (Ita)
Louis Armstrong Stadium
Felix Auger-Aliassime (Can, 3) v Karen Khachanov
Oleksandra Oliynykova (Ukr) v Alexandra Eala (Phi, 17)
Grandstand
Iga Swiatek (Pol, 8) v Nadia Podoroska (Arg)
Lilli Tagger (Aut) v Amanda Anisimova (USA, 10)
Tristan Schoolkate (Aus) v Flavio Cobolli (It, 5)
Botic van de Zandschulp (Ned) v Alex de Minaur (Aus, 6)
Stadium 17
Madison Keys (USA, 22) v Anna Bondar (Hun)
Dane Sweeny (Aus) v Lorenzo Musetti (It, 13)
Mirra Andreeva (5) v Eva Lys (Ger)
Iva Jovic (USA, 14) v Fran Jones (GB)
Court 5
Jan-Lennard Struff (Ger) v Francisco Cerundolo (Arg, 24)
Alexander Blockx (Bel, 28) v Marco Trungelliti (Arg)
Maria Sakkari (Gre, 32) v Yuliia Starodubtseva (Ukr)
Robin Montgomery (USA) and Ashlyn Krueger (USA) v Linda Noskova (Cze) and Rebecca Sramkova (Svk)
Court 6
Anastasia Potapova (Aut, 24) v Leolia Jeanjean (Fr)
Anastasia Detiuc (Cze) and Irina Khromacheva v Gabriela Dąbrowski (Can, 2) and Luisa Stefani (Bra, 2)
Cristina Bucsa (Sp) v Himeno Sakatsume (Jp)
Zachary Svajda (USA) v Arthur Gea (Fr)
Court 7
Maria Timofeeva (Uzb) v Elise Mertens (Bel, 23)
Ellen Perez (Aus, 10) and Demi Schuurs (Ned, 10) v Anastasia Tikhonova and Renata Zarazua (Mex)
Alexei Popyrin (Aus) v Alejandro Tabilo (Chi, 25)
Zizou Bergs (Bel, 31) v Jesper de Jong (Ned)
Court 10
Marta Kostyuk (Ukr) and Elena-Gabriela Ruse (Rou) v Panna Udvardy (Hun) and Laura Pigossi (Bra)
Ulrikke Eikeri (Nor, 15) and Quinn Gleason (USA, 15) v Moyuka Uchijima (Jp) and Xinyu Wang (Chn)
Ann Li (USA) and Clara Tauson (Den) v Erin Routliffe (NZ, 9) and Aldila Sutjiadi (Ina, 9)
Kimberly Birrell (Aus) and Peyton Stearns (USA) v Ena Shibahara (Jp) and Lanlana Tararudee (Tha)
Court 11
Claire Liu (USA) and Julieta Pareja (USA) v Xiyu Wang (Chn) and Yifan Xu (Chi)
Harriet Dart (GB) v Marie Bouzkova (Cze, 25)
Jakub Mensik (Cze, 17) v Jurij Rodionov (Aut)
Marie Bouzkova (Cze) and Sara Sorribes Tormo (Sp) v McCartney Kessler (USA) and Caty McNally (USA)
Court 12
Luciano Darderi (It, 21) v Dalibor Svrcina (Cze)
Qinwen Zheng (Chn) v Yulia Putintseva (Kaz)
Katerina Siniakova (Cze, 1) and Taylor Townsend (USA, 1) v Reese Brantmeier (USA) and Savannah Broadus (USA)
Yunchaokete Bu (Chi) v Michael Zheng (USA)
Court 13
Leylah Fernandez (Can) and Janice Tjen (Ina) v Nika Radisic (Slo) and Isabelle Haverlag (Ned)
DJ Bennett (USA) and Ava Esposito (USA) v Storm Hunter (Aus, 13) and Desirae Krawczyk (USA, 13)
Nikola Bartunkova (Cze) v Tatjana Maria (Ger)
Benjamin Bonzi (Fr) v Ignacio Buse (Per, 32)