2019 Internazionali di Tennis Città di Vicenza – Singles

Hugo Dellien was the defending champion but chose not to defend his title.

Alessandro Giannessi won the title after defeating Filippo Baldi 7–5, 6–2 in the final.

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

• # 🇵🇱 Kamil Majchrzak (third round)

• # Pedro Sousa (second round)

• # 🇦🇷 Facundo Bagnis (quarterfinals)

• # 🇮🇹 Gianluca Mager (semifinals)

• # 🇪🇸 Adrián Menéndez Maceiras (third round)

• # 🇮🇹 Lorenzo Giustino (third round)

• # 🇮🇹 Filippo Baldi (final)

• # 🇮🇹 Alessandro Giannessi (champion)

• # 🇪🇸 Enrique López Pérez (second round)

• # 🇦🇷 Carlos Berlocq (second round)

• # 🇮🇹 Stefano Napolitano (second round)

• # 🇮🇹 Roberto Marcora (second round, retired)

• # 🇦🇺 Marc Polmans (quarterfinals)

• # 🇮🇹 Andrea Arnaboldi (second round)

• # Viktor Galović (second round)