2023 Guangzhou International Challenger – Singles

Nikoloz Basilashvili was the defending champion but chose not to defend his title.

Térence Atmane won the title after defeating Marc Polmans 4–6, 7–6(9–7), 6–4 in the final.

Seeds
• # 🇦🇺 Christopher O'Connell (quarterfinals)

• # 🇦🇺 Marc Polmans (final)

• # 🇨🇳 Shang Juncheng (second round, retired)

• # 🇨🇳 Bu Yunchaokete (semifinals)

• # 🇫🇷 Térence Atmane (champion)

• # 🇯🇵 Rio Noguchi (second round)

• # Evgeny Donskoy (semifinals)

• # 🇦🇺 Li Tu (quarterfinals)