2023 Fairfield Challenger – Singles

Michael Mmoh was the defending champion but chose not to defend his title.

Zachary Svajda won the title after defeating Nishesh Basavareddy 6–4, 6–1 in the final.

Seeds
• # 🇺🇸 Alex Michelsen (quarterfinals)

• # 🇺🇸 Nicolas Moreno de Alboran (first round)

• # 🇺🇸 Denis Kudla (first round)

• # 🇺🇸 Zachary Svajda (champion)

• # 🇨🇦 Alexis Galarneau (first round)

• # 🇦🇺 Adam Walton (first round)

• # 🇺🇸 Tennys Sandgren (second round)

• # Alexander Ritschard (semifinals)