2013 Tunis Open – Singles

Rubén Ramírez Hidalgo was the defending champion, but lost to Diego Sebastián Schwartzman in the first round. Adrian Ungur defeated Schwartzman 4–6, 6–0, 6–2 in the final to win the title.

Seeds
• # 🇪🇸 Marcel Granollers (second round, retired)

• # 🇪🇸 Guillermo García-López (withdrew due to an infection)

• # 🇩🇪 Benjamin Becker (first round)

• # 🇫🇷 Kenny de Schepper (semifinals)

• # 🇪🇸 Rubén Ramírez Hidalgo (first round, retired due to general exhaustion)

• # 🇪🇸 Daniel Muñoz de la Nava (second round)

• # 🇮🇹 Matteo Viola (first round, retired due to a low back injury)

• # 🇮🇹 Flavio Cipolla (second round)