2020 Thindown Challenger Biella – Singles

Gianluca Mager was the defending champion but chose not to defend his title.

Facundo Bagnis won the title after Blaž Kavčič retired before the start of the third set, with the first two sets split at 6–7(4–7), 6–4.

Seeds
• # 🇧🇷 Thiago Seyboth Wild (first round)

• # 🇦🇺 Christopher O'Connell (semifinals)

• # 🇮🇳 Sumit Nagal (first round)

• # 🇦🇷 Facundo Bagnis (champion)

• # 🇮🇹 Paolo Lorenzi (first round)

• # 🇮🇹 Federico Gaio (first round)

• # 🇮🇳 Prajnesh Gunneswaran (first round)

• # 🇵🇪 Juan Pablo Varillas (first round)