2023 Hall of Fame Open – Singles

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.

Seeds
The top four seeds received a bye into the second round. • #🇺🇸 Tommy Paul (quarterfinals)

• #🇫🇷 Adrian Mannarino (champion)

• #🇫🇷 Ugo Humbert (semifinals)

• #🇺🇸 Mackenzie McDonald (quarterfinals)

• #🇺🇸 Maxime Cressy (first round)

• #🇦🇺 Max Purcell (first round)

• #🇦🇺 Jordan Thompson (quarterfinals)

• #🇫🇷 Corentin Moutet (second round)

Seeds
• # 🇹🇷 Altuğ Çelikbilek (qualifying competition)

• # 🇰🇿 Beibit Zhukayev (qualifying competition)

• # 🇦🇺 Li Tu (qualified)

• # 🇹🇳 Skander Mansouri (qualifying competition)

• # 🇰🇷 Chung Yun-seong (qualified)

• # 🇺🇸 Evan Zhu (first round)

• # 🇺🇦 Illya Marchenko (qualifying competition)

• # 🇦🇺 Alex Bolt (qualified)

Qualifiers
• # 🇮🇳 Mukund Sasikumar

• # 🇰🇷 Chung Yun-seong

• # 🇦🇺 Li Tu

• # 🇦🇺 Alex Bolt