2011 BMW Ljubljana Open – Singles

Blaž Kavčič was the defending champion, but lost to his compatriot Aljaž Bedene in the second round.

Fourth seed Paolo Lorenzi won the title, defeating third seed Grega Žemlja 6–2, 6–4 in the final.

Seeds
• # 🇸🇮 Blaž Kavčič (second round)

• # 🇦🇷 Leonardo Mayer (quarterfinals)

• # 🇸🇮 Grega Žemlja (final)

• # 🇮🇹 Paolo Lorenzi (champion)

• # 🇪🇸 Pablo Carreño Busta (second round)

• # 🇷🇸 Nikola Ćirić (first round)

• # Antonio Veić (first round)

• # 🇨🇦 Frank Dancevic (quarterfinals)