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.
Champions
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]
Points and prize money
Point distribution
Prize money
*per team
Singles main draw entrants
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
Doubles main draw entrants
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