2019 Internazionali di Tennis d'Abruzzo – Singles

Gianluigi Quinzi was the defending champion but lost in the second round to Tomislav Brkić.

Stefano Travaglia won the title after defeating Oscar Otte 6–3, 6–7(3–7), 6–3 in the final.

Seeds
All seeds receive a bye into the second round. • # 🇩🇪 Maximilian Marterer (semifinals, retired)

• # 🇮🇹 Gianluigi Quinzi (second round)

• # 🇩🇪 Oscar Otte (final)

• # 🇮🇹 Salvatore Caruso (second round)

• # 🇮🇹 Stefano Travaglia (champion)

• # 🇫🇷 Quentin Halys (second round)

• # 🇩🇪 Rudolf Molleker (quarterfinals)

• # 🇸🇪 Mikael Ymer (quarterfinals)

• # 🇧🇪 Arthur De Greef (withdrew)

• # 🇧🇪 Kimmer Coppejans (third round)

• # 🇩🇪 Dominik Köpfer (second round)

• # Tallon Griekspoor (second round)

• # 🇦🇹 Jurij Rodionov (second round)

• # Viktor Galović (second round)

• # 🇮🇹 Matteo Donati (second round, retired)

• # 🇦🇷 Facundo Argüello (second round)