2011 Dunlop World Challenge – Men's singles

Tatsuma Ito was the defending champion, and successfully defended his title, defeating Sebastian Rieschick in the final 6–4, 6–2.

Seeds
• # 🇯🇵 Go Soeda (quarterfinals)

• # 🇯🇵 Tatsuma Ito (champion)

• # 🇯🇵 Yūichi Sugita (semifinals)

• # 🇹🇭 Danai Udomchoke (first round)

• # 🇩🇪 Andre Begemann (second round)

• # 🇲🇩 Roman Borvanov (first round)

• # 🇩🇪 Sebastian Rieschick (final)

• # Jummy Wang (second round)