![2023 Hall of Fame Open – Singles 2023 Hall of Fame Open – Singles](/modules/owlapps_apps/img/nopic.jpg)
Adrian Mannarino defeated Alex Michelsen in the final, 6–2, 6–4 to win the singles tennis title at the 2023 Hall of Fame Open. It was his third ATP Tour singles title.
Maxime Cressy was the defending champion, but lost in the first round to Michelsen.
The top four seeds received a bye into the second round.
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