2012 Open de Rennes – Singles

Julien Benneteau was the defending champion but decided not to participate. Kenny de Schepper won the title, defeating Illya Marchenko 7–6(7–4), 6–2 in the final.

Seeds
• # 🇸🇮 Aljaž Bedene (first round)

• # 🇦🇹 Andreas Haider-Maurer (first round)

• # 🇧🇪 Ruben Bemelmans (first round)

• # 🇧🇪 Olivier Rochus (semifinals)

• # 🇫🇷 Michaël Llodra (second round)

• # 🇩🇪 Matthias Bachinger (second round)

• # 🇫🇷 Florent Serra (second round)

• # 🇫🇷 Josselin Ouanna (withdrew because of a right ischiotibial injury)

• # 🇦🇷 Federico Delbonis (first round)