2019 Tunis Open – Singles

Guido Andreozzi was the defending champion but chose not to defend his title.

Pablo Cuevas won the title after defeating João Domingues 7–5, 6–4 in the final.

Seeds
All seeds receive a bye into the second round. • # Pablo Cuevas (champion)

• # Pedro Sousa (third round)

• # 🇪🇸 Guillermo García López (second round)

• # 🇪🇸 Pedro Martínez (second round)

• # 🇦🇷 Facundo Bagnis (second round)

• # 🇩🇪 Oscar Otte (third round)

• # 🇫🇷 Quentin Halys (second round)

• # 🇮🇹 Stefano Travaglia (second round)

• # 🇧🇪 Ruben Bemelmans (third round)

• # 🇮🇹 Lorenzo Giustino (semifinals)

• # 🇪🇪 Jürgen Zopp (second round)

• # 🇪🇸 Daniel Gimeno Traver (quarterfinals)

• # 🇦🇷 Facundo Argüello (quarterfinals)

• # 🇮🇹 Roberto Marcora (second round)

• # 🇮🇹 Stefano Napolitano (second round)

• # 🇷🇺 Alexey Vatutin (second round)