US Open - Men’s Singles 1R start

First round commenced at 2023 US Open - Men’s Singles

2023 US Open, final Grand Slam tournament of the year, on Hard Outdoor, New York City, New York, USA, 28 August - 10 September 2023.

Defending champion:

Carlos Alcaraz (3) who defeated Casper Ruud (5) 6-4 2-6 7-6(1) 6-3

First round results:

- Casper Ruud (5) defeated qualifier Emilio Nava 7-6(5) 3-6 6-4 7-6(5)

- Zhang Zhizhen defeated J.J. Wolf 7-5 7-5 6-7(5) 4-6 6-3

- Wildcard Rinky Hijikata defeated Pavel Kotov 7-5 5-7 6-3 7-5

- Marton Fucsovics defeated Sebastian Korda (31) 7-6(4) 4-6 7-6(1) 4-6 6-4

- Adrian Mannarino (22) defeated Yosuke Watanuki 7-5 6-7(3) 6-3 7-5

- Fabian Marozsan defeated Richard Gasquet 6-3 6-1 6-7(5) 6-7(1) 6-2

- Sebastian Ofner defeated Nuno Borges 7-6(5) 3-6 7-6(7) 6-4

- Frances Tiafoe (10) defeated wildcard Learner Tien 6-2 7-5 6-1

- Tommy Paul (14) defeated qualifier Stefano Travaglia 6-2 6-3 4-6 6-1

- Roman Safiullin defeated Marco Cecchinato 6-4 6-2 6-0

- Juan Manuel Cerundolo defeated Ilya Ivashka 2-6 6-7(4) 6-3 6-3 6-3

- Alejandro Davidovich Fokina (21) defeated Marcos Giron 6-4 6-4 6-2

- Dominic Thiem defeated Alexander Bublik (25) 6-3 6-2 6-4

- Ben Shelton defeated Pedro Cachin 1-6 6-3 6-2 6-4

- Aslan Karatsev defeated Jiri Lehecka 6-3 6-3 6-3

- Roberto Carballes Baena defeated Holger Rune (4) 6-3 4-6 6-3 6-2

- Stefanos Tsitsipas (7) defeated Milos Raonic 6-2 6-3 6-4

- Qualifier Dominik Stricker defeated Alexei Popyrin 6–3 6-4 3-6 6-3

- Wildcard Benjamin Bonzi defeated Quentin Halys 5-7 6-4 6-4 6-4

- Christopher Eubanks (28) defeated Kwon Soon-woo 6-3 6-4 0-6 6-4

- Qualifier Titouan Droguet defeated Lorenzo Musetti (18) 6-3 0-6 6-7(5) 6-3 6-2

- Qualifier Jakub Mensik defeated Gregoire Barrere 6-4 4-6 7-6(1) 6-2

- Juan Pablo Varillas defeated Miomir Kecmanovic 1-6 7-5 7-5 6-4

- Taylor Fritz (9) defeated wildcard Steve Johnson 6-2 6-1 6-2

- Mackenzie McDonald defeated Felix Auger-Aliassime (15) 7-6(5) 4-6 6-1 6-4

- Qualifier Borna Gojo defeated Hugo Dellien 6-3 6-3 6-1

- Jiri Vesely defeated qualifier Enzo Couacaud 5-7 6-3 6-2 3-6 6-4

- Francisco Cerundolo (20) defeated qualifier Zachary Svajda 5-7 6-4 6-4 6-3

- Laslo Djere (32) defeated Brandon Nakashima 7-5 6-4 6-4

- Qualifier Hugo Gaston defeated qualifier Sho Shimabukuro 6-2 6-1 7-6(4)

- Bernabe Zapata Miralles defeated wildcard Ethan Quinn 6-4 6-4 6-3

- Novak Djokovic (2) defeated Alexandre Müller 6-0 6-2 6-3