2023 Hall of Fame Open

The 2023 Hall of Fame Open (also known as the Infosys Hall of Fame Open for sponsorship reasons) was a men's professional tennis tournament played on outdoor grass courts. It was the 47th edition of the event, and was categorized as an ATP 250 event on the 2023 ATP Tour. It took place at the International Tennis Hall of Fame in Newport, Rhode Island, United States, from July 17 through July 23, 2023.

Singles

 * 🇫🇷 Adrian Mannarino def. 🇺🇸 Alex Michelsen, 6–2, 6–4

Doubles

 * 🇺🇸 Nathaniel Lammons / 🇺🇸 Jackson Withrow def. 🇺🇸 William Blumberg / 🇦🇺 Max Purcell, 6–3, 5–7, [10–5]

Prize money

 * per team

Seeds

 * 1 Rankings are as of 3 July 2023.

Other entrants
The following players received wildcards into the main draw:
 * Kevin Anderson
 * 🇺🇸 Ethan Quinn
 * 🇺🇸 Eliot Spizzirri

The following players received entry from the qualifying draw:
 * 🇦🇺 Alex Bolt
 * 🇰🇷 Chung Yun-seong
 * 🇮🇳 Mukund Sasikumar
 * 🇦🇺 Li Tu

Withdrawals

 * 🇲🇩 Radu Albot → replaced by 🇯🇴 Abdullah Shelbayh
 * 🇺🇸 Christopher Eubanks → replaced by 🇺🇸 Steve Johnson
 * 🇩🇪 Dominik Koepfer → replaced by 🇯🇵 Shintaro Mochizuki
 * 🇦🇺 Jason Kubler → replaced by 🇺🇸 Aleksandar Kovacevic
 * 🇺🇸 Michael Mmoh → replaced by 🇺🇸 Alex Michelsen
 * 🇯🇵 Yosuke Watanuki → replaced by Gijs Brouwer

Seeds

 * 1 Rankings are as of 3 July 2023.

Other entrants
The following pairs received wildcards into the doubles main draw:
 * Kevin Anderson / 🇺🇸 Ethan Quinn
 * 🇺🇸 Tommy Paul / 🇺🇸 Eliot Spizzirri

Withdrawals

 * 🇺🇸 Christopher Eubanks / 🇺🇸 Reese Stalder → replaced by 🇦🇺 Rinky Hijikata / 🇺🇸 Reese Stalder
 * 🇦🇺 Rinky Hijikata / 🇦🇺 Jason Kubler → replaced by 🇫🇷 Théo Arribagé / 🇫🇷 Luca Sanchez
 * 🇧🇷 Marcelo Melo / 🇦🇺 John Peers → replaced by 🇰🇷 Chung Yun-seong / 🇺🇸 Aleksandar Kovacevic