2013 China Open – Men's singles

Defending champion Novak Djokovic defeated Rafael Nadal in the final, 6–3, 6–4 to win the men's singles tennis title at the 2013 China Open. The defeat was Nadal's first hardcourt loss of the season, having previously won titles in Indian Wells, Montreal, Cincinnati and the US Open. His winning streak ended at 26 matches.

By reaching the final, Nadal regained the world No. 1 ranking from Djokovic.

Seeds
• # 🇷🇸 Novak Djokovic (champion)

• # 🇪🇸 Rafael Nadal (final)

• # 🇪🇸 David Ferrer (quarterfinals)

• # 🇨🇿 Tomáš Berdych (semifinals, retired because of back injury)

• # 🇫🇷 Richard Gasquet (semifinals)

• # Stanislas Wawrinka (second round)

• # 🇩🇪 Tommy Haas (first round)

• # 🇺🇸 John Isner (quarterfinals)

Seeds
• # Lu Yen-hsun (qualified)

• # Robin Haase (first round)

• # 🇪🇸 Roberto Bautista-Agut (qualified)

• # 🇪🇸 Daniel Gimeno-Traver (first round)

• # 🇪🇸 Pablo Carreño Busta (first round)

• # 🇷🇺 Alex Bogomolov Jr. (qualifying competition)

• # 🇵🇱 Łukasz Kubot (first round)

• # 🇺🇸 Jack Sock (qualifying competition)

Qualifiers
• # Lu Yen-hsun

• # 🇮🇳 Somdev Devvarman

• # 🇪🇸 Roberto Bautista-Agut

• # 🇨🇴 Santiago Giraldo