2011 Singapore ATP Challenger – Singles

Dmitry Tursunov won the first edition of this tournament, by defeating Lukáš Rosol 6–4, 6–2 in the final.

Seeds
• # 🇮🇳 Somdev Devvarman (quarterfinals)

• # 🇯🇵 Go Soeda (semifinals)

• # 🇮🇹 Paolo Lorenzi (second round)

• # 🇷🇺 Alexandre Kudryavtsev (first round)

• # 🇨🇿 Lukáš Rosol (final)

• # 🇨🇿 Ivo Minář (first round)

• # 🇧🇷 Thiago Alves (first round)

• # 🇸🇰 Andrej Martin (semifinals)