2019 Thindown Challenger Biella – Singles

Federico Delbonis was the defending champion but chose not to defend his title.

Gianluca Mager won the title after defeating Paolo Lorenzi 6–0, 6–7(4–7), 7–5 in the final.

Seeds
All seeds receive a bye into the second round. • # 🇪🇸 Alejandro Davidovich Fokina (semifinals)

• # 🇪🇸 Jaume Munar (semifinals)

• # 🇸🇰 Andrej Martin (third round)

• # 🇮🇹 Paolo Lorenzi (final)

• # 🇯🇵 Taro Daniel (quarterfinals)

• # 🇮🇹 Lorenzo Giustino (second round)

• # 🇮🇹 Alessandro Giannessi (quarterfinals)

• # 🇮🇹 Gianluca Mager (champion)

• # 🇮🇹 Filippo Baldi (second round)

• # 🇮🇹 Federico Gaio (third round)

• # 🇪🇸 Mario Vilella Martínez (third round)

• # 🇦🇷 Marco Trungelliti (third round)

• # 🇪🇸 Tommy Robredo (quarterfinals)

• # 🇮🇹 Stefano Napolitano (third round)

• # 🇫🇷 Elliot Benchetrit (third round)

• # 🇦🇷 Carlos Berlocq (third round)