2023 China Open – Men's singles

Jannik Sinner defeated Daniil Medvedev in the final, 7–6(7–2), 7–6(7–2) to win the men's singles tennis title at the 2023 China Open. It was his first win over Medvedev on his seventh attempt.

Dominic Thiem was the reigning champion from 2019, when the tournament was last held, but he chose to compete in Astana instead.

Seeds
• #🇪🇸 Carlos Alcaraz (semifinals)

• # Daniil Medvedev (final)

• # Holger Rune (second round)

• # Stefanos Tsitsipas (first round)

• # Andrey Rublev (second round)

• #🇮🇹 Jannik Sinner (champion)

• #🇳🇴 Casper Ruud (quarterfinals)

• #🇩🇪 Alexander Zverev (semifinals)

Seeds
• # 🇦🇺 Max Purcell (qualifying competition)

• # 🇯🇵 Yoshihito Nishioka (special exempt to main draw)

• # 🇷🇸 Miomir Kecmanović (qualifying competition)

• # 🇮🇹 Matteo Arnaldi (qualified)

• # 🇩🇪 Daniel Altmaier (first round)

• # 🇦🇺 Aleksandar Vukic (qualifying competition)

• # 🇺🇸 J. J. Wolf (qualified)

• # 🇷🇸 Dušan Lajović (first round)

Qualifiers
• # 🇺🇸 J. J. Wolf

• # Lloyd Harris

• # 🇩🇪 Yannick Hanfmann

• # 🇮🇹 Matteo Arnaldi