2012 Open 13 – Singles

Robin Söderling was the defending champion but couldn't participate. Juan Martín del Potro won the title by defeating Michaël Llodra 6–4, 6–4 in the final.

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

• # 🇺🇸 Mardy Fish (second round)

• # 🇷🇸 Janko Tipsarević (semifinals)

• # 🇦🇷 Juan Martín del Potro (champion)

• # 🇫🇷 Richard Gasquet (quarterfinals)

• # 🇺🇦 Alexandr Dolgopolov (second round)

• # Ivan Ljubičić (quarterfinals)

• # 🇮🇹 Andreas Seppi (first round)

Seeds
• # 🇯🇵 Tatsuma Ito (qualifying competition)

• # Rik de Voest (qualifying competition)

• # 🇧🇪 Ruben Bemelmans (first round)

• # 🇫🇷 Marc Gicquel (first round)

• # 🇫🇷 Augustin Gensse (first round)

• # 🇪🇸 Roberto Bautista-Agut (qualified)

• # 🇧🇪 David Goffin (qualified)

• # 🇫🇷 Kenny de Schepper (first round)

Qualifiers
• # Marco Chiudinelli

• # 🇪🇸 Roberto Bautista-Agut

• # 🇫🇷 Albano Olivetti

• # 🇧🇪 David Goffin