2023 Chennai Open Challenger – Singles

Corentin Moutet was the defending champion but chose not to defend his title.

Max Purcell won the title after defeating Nicolas Moreno de Alboran 5–7, 7–6(7–2), 6–4 in the final.

Seeds
• # Tseng Chun-hsin (second round)

• # 🇦🇺 James Duckworth (quarterfinals)

• # 🇦🇹 Sebastian Ofner (first round)

• # 🇬🇧 Ryan Peniston (first round)

• # 🇮🇹 Luca Nardi (first round)

• # 🇮🇹 Francesco Maestrelli (first round)

• # 🇨🇿 Dalibor Svrčina (second round)

• # 🇧🇬 Dimitar Kuzmanov (second round)