2011 Ethias Trophy – Singles

Adrian Mannarino was the defending champion, but lost in the first round to Michał Przysiężny. Andreas Seppi won the title, defeating Julien Benneteau 2–6, 6–3, 7–6(7–4) in the final.

Seeds
• # 🇧🇪 Xavier Malisse (second round)

• # 🇮🇹 Andreas Seppi (champion)

• # 🇺🇦 Sergiy Stakhovsky (first round)

• # 🇫🇷 Adrian Mannarino (first round)

• # 🇫🇷 Julien Benneteau (final)

• # 🇧🇪 Olivier Rochus (first round)

• # 🇫🇷 Nicolas Mahut (quarterfinals)

• # 🇧🇪 Steve Darcis (quarterfinals)