2023 Cleveland Open – Singles

Dominic Stricker was the defending champion but chose not to defend his title.

Aleksandar Kovacevic won the title after defeating Wu Yibing 3–6, 7–5, 7–6(7–2) in the final.

Seeds
• # 🇪🇨 Emilio Gómez (semifinals)

• # 🇨🇳 Wu Yibing (final)

• # 🇺🇸 Steve Johnson (quarterfinals)

• # 🇺🇸 Jack Sock (first round)

• # 🇺🇸 Aleksandar Kovacevic (champion)

• # 🇺🇸 Stefan Kozlov (quarterfinals)

• # 🇺🇸 Brandon Holt (second round)

• # 🇨🇦 Gabriel Diallo (quarterfinals)