2011 Open de Moselle – Singles

Gilles Simon was the defending champion, but chose not to compete this year.

Jo-Wilfried Tsonga won the title, defeating Ivan Ljubičić 6–3, 6–7(4–7), 6–3 in the final. It was his first title since October 2009, having failed to make a single ATP World Tour final in 2010.

Seeds
• # 🇫🇷 Jo-Wilfried Tsonga (champion)

• # 🇫🇷 Richard Gasquet (quarterfinals)

• # 🇺🇦 Alexandr Dolgopolov (semifinals)

• # Ivan Ljubičić (final)

• # 🇫🇷 Michaël Llodra (first round)

• # 🇧🇪 Xavier Malisse (quarterfinals, retired)

• # 🇩🇪 Philipp Kohlschreiber (second round)

• # 🇱🇺 Gilles Müller (semifinals)