Novak Djokovic a debutat perfect la US Open, liderul mondial trecand la pas de Joao Souza, scor 6-1, 6-1, 6-1. Rafael Nadal a avut de munca in partida cu Borna Coric, ibericul invingandu-l pe croat in patru seturi. Au parasit deja competitia nume importante precum Kei Nishikori, Alexandr Dolgopolov si Gael Monfils.

Turul I masculin, rezultate:
8-Rafa Nadal - Borna Coric 6-3 6-2 4-6 6-4
1-Novak Djokovic - Joao Souza 6-1 6-1 6-1
Evgeny Donskoy - Lucas Pouille 6-2 6-7(3) 6-2 6-4
26-Tommy Robredo - Michael Berrer 6-2 6-2 6-4
Martin Klizan - Florian Mayer 6-7(5) 6-3 6-3 3-0 (abandon Mayer)
27-Jeremy Chardy - Ryan Shane 6-2 6-1 6-7(6) 6-2
Sergiy Stakhovsky - John Millman 6-1 3-6 7-6(3) 6-4
9-Marin Cilic - Guido Pella 6-3 7-6(3) 7-6(3)
10-Milos Raonic - Tim Smyczek 6-4 7-6(8) 6-1
Teymuraz Gabashvili - Pablo Andujar 7-6(6) 0-6 4-6 6-4 0-0 (abandon Andujar)
Fernando Verdasco - Tommy Haas 3-6 6-1 6-7(3) 6-3 6-1
Ricardas Berankis - Joao Sousa 6-2 6-2 4-6 2-6 7-6(4)
Marcel Granollers - Lukas Lacko 6-2 6-3 6-1
Benoit Paire - 4-Kei Nishikori 6-4 3-6 4-6 7-6(6) 6-4
25-Andreas Seppi - Tommy Paul 6-4 6-0 7-5
18-Feliciano Lopez - Nikoloz Basilashvili 7-6(5) 6-1 6-3
19-Jo-Wilfried Tsonga - Jarkko Nieminen 6-3 6-1 6-1
Mardy Fish - Marco Cecchinato 6-7(5) 6-3 6-1 6-3
Marsel Ilhan - Radek Stepanek 6-0 2-6 6-4 3-2 (abandon Stepanek)
17-Grigor Dimitrov - Matthew Ebden 6-4 6-2 6-4
14-David Goffin - Simone Bolelli 6-4 6-1 6-2
Mikhail Kukushkin - Lu Yen-Hsun 6-3 6-3 3-0 (abandon Lu)
32-Fabio Fognini - Steve Johnson 2-6 6-3 6-4 7-6(2)
Samuel Groth - Alexandr Dolgopolov 4-6 6-1 7-5 (abandon Dolgopolov)
Andreas Haider-Maurer - Vasek Pospisil 6-4 3-6 6-7(0) 6-0 6-1
Illya Marchenko - 16-Gael Monfils 2-6 6-4 5-0 (abandon Monfils)
Pablo Cuevas - Dudi Sela 6-2 3-6 6-4 6-1
Pablo Carreno - Jerzy Janowicz 6-3 4-6 6-2 6-4
Diego Schwartzman - Elias Ymer 6-3 6-2 6-2
23-Roberto Bautista - Pierre-Hugues Herbert 6-3 6-2 7-6(7)
Filip Krajinovic - Alejandro Gonzalez 6-4 6-0 6-4
7-David Ferrer - Radu Albot 4-6 7-5 6-1 6-0.