2019 Guzzini Challenger – Singles

Daniel Brands was the defending champion but chose not to defend his title.

Egor Gerasimov won the title after defeating Roberto Marcora 6–2, 7–5 in the final.

Seeds
All seeds receive a bye into the second round. • # 🇩🇪 Matthias Bachinger (third round)

• # 🇷🇺 Evgeny Donskoy (second round)

• # 🇮🇹 Lorenzo Giustino (second round)

• # 🇺🇦 Sergiy Stakhovsky (third round)

• # 🇧🇾 Ilya Ivashka (second round)

• # 🇸🇰 Lukáš Lacko (semifinals)

• # 🇪🇸 Adrián Menéndez Maceiras (second round)

• # 🇮🇹 Filippo Baldi (second round)

• # 🇮🇳 Ramkumar Ramanathan (quarterfinals)

• # 🇧🇾 Egor Gerasimov (champion)

• # 🇮🇹 Stefano Napolitano (second round)

• # 🇪🇨 Emilio Gómez (third round)

• # Viktor Galović (quarterfinals)

• # 🇧🇦 Mirza Bašić (second round)

• # 🇩🇪 Mats Moraing (semifinals)

• # 🇪🇸 Enrique López Pérez (second round)