2011 Samsung Securities Cup – Men's singles

Lu Yen-hsun successfully defended his title by defeating Jimmy Wang 7–5, 6–3 in the final.

Seeds
• # Lu Yen-hsun (champion)

• # 🇸🇮 Grega Žemlja (first round)

• # 🇯🇵 Go Soeda (second round)

• # 🇯🇵 Tatsuma Ito (second round)

• # Rik de Voest (quarterfinals)

• # 🇫🇷 Florent Serra (second round)

• # 🇧🇾 Uladzimir Ignatik (second round)

• # 🇵🇱 Michał Przysiężny (first round)