2020 Thindown Challenger Biella

The 2020 Thindown Challenger Biella was a professional tennis tournament played on outdoor red clay courts. It was part of the 2020 ATP Challenger Tour. It took place in Biella, Italy between 28 September and 4 October 2020.

Seeds

 * Rankings are as of 21 September 2020.

Other entrants
The following players received wildcards into the singles main draw:
 * Rémy Bertola
 * 🇮🇹 Gabriele Felline
 * 🇮🇹 Stefano Napolitano

The following player received entry into the singles main draw using a protected ranking:
 * Blaž Kavčič

The following players received entry from the qualifying draw:
 * 🇮🇹 Andrea Arnaboldi
 * 🇫🇷 Alexandre Müller
 * 🇮🇹 Andrea Pellegrino
 * Tseng Chun-hsin

Singles

 * 🇦🇷 Facundo Bagnis def. Blaž Kavčič 6–7(4–7), 6–4, 0–0 ret.

Doubles

 * 🇫🇮 Harri Heliövaara / 🇵🇱 Szymon Walków def. 🇬🇧 Lloyd Glasspool / 🇺🇸 Alex Lawson 7–5, 6–3.