2013 Rai Open – Singles

Roberto Bautista-Agut was the defending champion but decided not to participate. Julian Reister defeated Guillermo García-López 4–6, 6–3, 6–2 in the final to win the title.

Seeds
• # 🇷🇺 Andrey Kuznetsov (second round)

• # 🇨🇿 Jan Hájek (second round)

• # 🇪🇸 Guillermo García-López (final)

• # 🇦🇹 Andreas Haider-Maurer (quarterfinals)

• # 🇩🇪 Jan-Lennard Struff (second round)

• # 🇷🇴 Marius Copil (first round)

• # 🇩🇪 Björn Phau (second round)

• # 🇧🇪 Olivier Rochus (second round)