2023 Hall of Fame Open
The 2023 Hall of Fame Open 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, 6–4Doubles
Nathaniel Lammons / Jackson Withrow def. William Blumberg / Max Purcell, 6–3, 5–7,Points and prize money
Prize money
| Event | W | F | SF | QF | Round of 16 | Round of 32 | Q2 | Q1 |
| Singles | $97,760 | $57,025 | $33,525 | $19,425 | $11,280 | $6,895 | $3,445 | $1,880 |
| Doubles* | $33,960 | $18,170 | $10,660 | $5,950 | $3,510 |
*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:The following players received entry from the qualifying draw:
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: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