2013 Topshelf Open – Men's singles

David Ferrer was the defending champion, but lost in the first round to Xavier Malisse. Qualifier Nicolas Mahut won the first title of his career, beating Stanislas Wawrinka in the final, 6–3, 6–4.

Seeds
• # 🇪🇸 David Ferrer (first round)

• # Stanislas Wawrinka (final)

• # 🇺🇸 John Isner (first round)

• # 🇫🇷 Benoît Paire (first round, retired because of a thigh injury)

• # 🇫🇷 Jérémy Chardy (quarterfinals)

• # 🇨🇾 Marcos Baghdatis (first round)

• # 🇷🇴 Victor Hănescu (first round)

• # 🇪🇸 Daniel Gimeno-Traver (first round)

Seeds
• # 🇺🇸 Rajeev Ram (second round)

• # 🇧🇪 Steve Darcis (qualifying competition, Lucky loser)

• # 🇵🇱 Łukasz Kubot (qualifying competition)

• # 🇷🇺 Konstantin Kravchuk (qualifying competition)

• # 🇧🇪 Niels Desein (second round)

• # 🇫🇷 Nicolas Mahut (qualified)

• # 🇨🇿 Jan Hernych (qualified)

• # 🇫🇷 Lucas Pouille (qualified)

Qualifiers
• # 🇨🇿 Jan Hernych

• # Stéphane Bohli

• # 🇫🇷 Nicolas Mahut

• # 🇫🇷 Lucas Pouille

Lucky loser

 * 1) 🇧🇪 Steve Darcis