2010 Open de Rennes – Singles

Alejandro Falla was the defending champion, but decided not to participate this year.

Marc Gicquel won this tournament, by defeating 5th seed Stéphane Bohli 7–6(7–6), 4–6, 6–1 in the final.

Seeds
• # 🇫🇷 Arnaud Clément (quarterfinals)

• # 🇸🇰 Lukáš Lacko (first round)

• # 🇫🇷 Stéphane Robert (first round)

• # 🇩🇪 Björn Phau (quarterfinals)

• # Stéphane Bohli (final)

• # 🇫🇷 David Guez (second round)

• # 🇧🇬 Grigor Dimitrov (second round)

• # 🇷🇸 Ilija Bozoljac (first round)