2023 Winston-Salem Open

The 2023 Winston-Salem Open was a men's tennis tournament played on outdoor hard courts. It was the 54th edition of the Winston-Salem Open (as successor to previous tournaments in New Haven and Long Island), and part of the ATP Tour 250 Series of the 2023 ATP Tour. It took place at Wake Forest University in Winston-Salem, North Carolina, United States, from August 21 to August 27, 2023.

Singles

 * 🇦🇷 Sebastián Báez def. 🇨🇿 Jiří Lehečka, 6–4, 6–3

Doubles

 * 🇺🇸 Nathaniel Lammons / 🇺🇸 Jackson Withrow def. 🇬🇧 Lloyd Glasspool / 🇬🇧 Neal Skupski, 6–3, 6–4

Prize money

 * per team

Seeds
† Rankings are as of 14 August 2023.

Other entrants
The following players received wildcard entry into the singles main draw:
 * 🇺🇸 Sebastian Korda
 * 🇺🇸 Alex Michelsen
 * 🇺🇸 Michael Mmoh

The following players received entry as alternates:
 * 🇦🇷 Juan Manuel Cerúndolo
 * 🇦🇺 Rinky Hijikata
 * 🇦🇹 Dominic Thiem

The following players received entry from the qualifying draw:
 * Darian King
 * 🇺🇸 Mitchell Krueger
 * 🇺🇸 Thai-Son Kwiatkowski
 * 🇺🇦 Illya Marchenko

The following players received entry as lucky losers:
 * 🇺🇸 Strong Kirchheimer
 * 🇺🇸 Omni Kumar
 * Andrey Kuznetsov

Withdrawals

 * 🇩🇪 Daniel Altmaier → replaced by 🇺🇸 Strong Kirchheimer
 * 🇪🇸 Roberto Bautista Agut → replaced by Ilya Ivashka
 * 🇪🇸 Roberto Carballés Baena → replaced by 🇦🇷 Juan Manuel Cerúndolo
 * 🇪🇸 Pablo Carreño Busta → replaced by 🇩🇪 Dominik Koepfer
 * 🇬🇧 Dan Evans → replaced by 🇦🇷 Facundo Díaz Acosta
 * 🇫🇷 Adrian Mannarino → replaced by 🇫🇷 Benjamin Bonzi
 * 🇯🇵 Yoshihito Nishioka → replaced by 🇮🇹 Marco Cecchinato
 * 🇦🇷 Guido Pella → replaced by Pavel Kotov
 * 🇫🇮 Emil Ruusuvuori → replaced by Andrey Kuznetsov
 * 🇩🇪 Jan-Lennard Struff → replaced by 🇫🇷 Constant Lestienne
 * 🇦🇹 Dominic Thiem → replaced by 🇺🇸 Omni Kumar
 * 🇪🇸 Bernabé Zapata Miralles → replaced by Alexander Shevchenko

Seeds
† Rankings are as of 14 August 2023.

Other entrants
The following pairs received wildcard entry into the doubles main draw :
 * 🇦🇺 Matthew Ebden / 🇦🇺 John-Patrick Smith
 * 🇮🇹 Filippo Moroni / 🇺🇸 Matthew Thomson

The following pairs received entry as alternates:
 * 🇮🇳 Anirudh Chandrasekar / 🇮🇳 Vijay Sundar Prashanth
 * 🇺🇸 Evan King / 🇺🇸 Reese Stalder

Withdrawals

 * Marcelo Arévalo / Jean-Julien Rojer → replaced by 🇧🇷 Marcelo Demoliner /  Matwé Middelkoop
 * 🇮🇳 Rohan Bopanna / 🇦🇺 Matthew Ebden → replaced by Romain Arneodo /  Ariel Behar
 * 🇫🇷 Sadio Doumbia / 🇫🇷 Fabien Reboul → replaced by 🇮🇳 Anirudh Chandrasekar / 🇮🇳 Vijay Sundar Prashanth
 * 🇬🇧 Lloyd Glasspool / 🇫🇮 Harri Heliövaara → replaced by 🇬🇧 Lloyd Glasspool / 🇬🇧 Neal Skupski
 * 🇦🇷 Máximo González / 🇦🇷 Andrés Molteni → replaced by 🇪🇨 Gonzalo Escobar / 🇰🇿 Aleksandr Nedovyesov
 * 🇲🇽 Santiago González / 🇫🇷 Édouard Roger-Vasselin → replaced by Francisco Cabral / 🇧🇷 Rafael Matos
 * 🇧🇷 Marcelo Melo / 🇦🇺 John Peers → replaced by 🇦🇹 Sebastian Ofner / 🇦🇺 Max Purcell
 * 🇬🇧 Jamie Murray / 🇳🇿 Michael Venus → replaced by 🇺🇸 Evan King / 🇺🇸 Reese Stalder