2013 IS Open de Tênis – Singles

Blaž Kavčič was the defending champion, but has chosen not to compete. Paul Capdeville won the final 6–2, 6–2 against Renzo Olivo.

Seeds
• # 🇧🇷 Rogério Dutra da Silva (quarterfinals)

• # 🇧🇷 João Souza (second round)

• # 🇮🇹 Matteo Viola (first round, retired)

• # Gastão Elias (first round)

• # 🇦🇷 Guido Andreozzi (second round, withdrew)

• # 🇹🇳 Malek Jaziri (quarterfinals)

• # Paul Capdeville (champion)

• # Antonio Veić (second round)