2019 Internazionali di Tennis di Manerbio – Trofeo Dimmidisì – Singles

Roberto Carballés Baena was the defending champion but chose not to defend his title.

Federico Gaio won the title after defeating Paolo Lorenzi 6–3, 6–1 in the final.

Seeds
All seeds receive a bye into the second round. • # 🇮🇹 Paolo Lorenzi (final)

• # 🇮🇹 Lorenzo Giustino (quarterfinals, retired)

• # 🇧🇪 Kimmer Coppejans (second round)

• # 🇦🇷 Federico Coria (semifinals)

• # 🇮🇹 Federico Gaio (champion)

• # 🇷🇸 Nikola Milojević (withdrew)

• # Viktor Galović (second round)

• # 🇮🇹 Andrea Arnaboldi (quarterfinals)

• # 🇪🇬 Mohamed Safwat (second round)

• # Gonçalo Oliveira (second round)

• # Nino Serdarušić (third round)

• # Frederico Ferreira Silva (second round)

• # 🇷🇺 Pavel Kotov (third round)

• # 🇺🇸 Evan King (third round)

• # Alejandro Tabilo (second round)

• # 🇦🇷 Andrea Collarini (third round)