2018 Tunis Open – Singles

Simone Bolelli was the defending champion but chose not to defend his title.

Guido Andreozzi won the title after Daniel Gimeno Traver retired trailing 2–6, 0–3 in the final.

Seeds
• # 🇨🇿 Jiří Veselý (withdrew)

• # Nikoloz Basilashvili (quarterfinals)

• # 🇹🇳 Malek Jaziri (first round)

• # 🇲🇩 Radu Albot (first round)

• # 🇮🇹 Thomas Fabbiano (semifinals)

• # Gastão Elias (second round)

• # Pedro Sousa (quarterfinals, retired)

• # 🇸🇪 Elias Ymer (first round)