| 2019 Thindown Challenger Biella | |
|---|---|
| Date | 16–22 September 2019 |
| Edition | 12th |
| Surface | Clay |
| Location | Biella, Italy |
| Champions | |
| Singles | |
 Gianluca Mager | |
| Doubles | |
 Tomislav Brkić /  Ante Pavić | |
The 2019 Thindown Challenger Biella was a professional tennis tournament played on outdoor red clay courts. It was part of the 2019 ATP Challenger Tour. It took place in Biella, Italy between 16 and 22 September 2019.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 ESP | Alejandro Davidovich Fokina | 109 | 1 |
| ESP | Jaume Munar | 112 | 2 |
 SVK | Andrej Martin | 114 | 3 |
| ITA | Paolo Lorenzi | 121 | 4 |
 JPN | Taro Daniel | 137 | 5 |
| ITA | Lorenzo Giustino | 138 | 6 |
| ITA | Alessandro Giannessi | 140 | 7 |
| ITA | Gianluca Mager | 142 | 8 |
| ITA | Filippo Baldi | 148 | 9 |
| ITA | Federico Gaio | 154 | 10 |
| ESP | Mario Vilella Martínez | 190 | 11 |
 ARG | Marco Trungelliti | 196 | 12 |
| ESP | Tommy Robredo | 201 | 13 |
| ITA | Stefano Napolitano | 203 | 14 |
 FRA | Elliot Benchetrit | 211 | 15 |
| ARG | Carlos Berlocq | 228 | 16 |
The following players received wildcards into the singles main draw:
Federico Arnaboldi Matteo Arnaldi Giacomo Dambrosi Gabriele Felline Pietro RondoniThe following player received entry into the singles main draw using a protected ranking:
The following players received entry from the qualifying draw:
Oscar José Gutierrez Fernando Romboli Gianluca Mager def. Paolo Lorenzi 6–0, 6–7(4–7), 7–5. Tomislav Brkić / Ante Pavić def. 
Ariel Behar / 
Andrey Golubev 7–6(7–2), 6–4.The 2014 Challenger Pulcra Lachiter Biella was a professional tennis tournament played on outdoor red clay courts. It was part of the 2014 ATP Challenger Tour. It took place in Biella, Italy between 8–14 September 2014. It returned for the first time since 2010.
The 2015 Challenger Pulcra Lachiter Biella was a professional tennis tournament played on outdoor red clay courts. It was part of the 2015 ATP Challenger Tour. It took place in Biella, Italy between 27 July – 2 August 2015.
The 2016 Thindown Challenger Biella is a professional tennis tournament played on outdoor red clay courts. It is part of the 2016 ATP Challenger Tour. It took place in Biella, Italy between 25 and 31 July 2016.
The 2017 Thindown Challenger Biella was a professional tennis tournament played on outdoor red clay courts. It was part of the 2017 ATP Challenger Tour. It took place in Biella, Italy between 31 July – 6 August 2017.
The 2018 Thindown Challenger Biella was a professional tennis tournament played on outdoor red clay courts. It was part of the 2018 ATP Challenger Tour. It took place in Biella, Italy between 17 and 23 September 2018.
The 2019 International Challenger Zhangjiagang was a professional tennis tournament played on hard courts. It was the third edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Zhangjiagang, China between 18 and 24 March 2019.
The 2019 President's Cup was a professional tennis tournament played on outdoor hard courts. It was the fourteenth (ATP) and eleventh (ITF) editions of the tournament and was part of the 2019 ATP Challenger Tour and the 2019 ITF Women's World Tennis Tour. It took place in Nur-Sultan, Kazakhstan, on 15–21 July 2019.
The 2019 Challenger Banque Nationale de Gatineau was a professional tennis tournament played on outdoor hard courts. It was the 4th edition of the tournament for men and the 6th for women, and it was part of the 2019 ATP Challenger Tour and the 2019 ITF Women's World Tennis Tour. It took place in Gatineau, Canada between July 15 and 21, 2019.
The 2019 Challenger Banque Nationale de Granby was a professional tennis tournament played on outdoor hard courts. It was the twenty-sixth (men) and ninth (women) editions of the tournament which was part of the 2019 ATP Challenger Tour and the 2019 ITF Women's World Tennis Tour. It took place in Granby, Quebec, Canada between 22 and 28 July 2019.
The 2019 Jinan International Open was a professional tennis tournament played on outdoor hard courts. It was the third (men) and second (women) editions of the tournament which was part of the 2019 ATP Challenger Tour and the 2019 ITF Women's World Tennis Tour. It took place in Jinan, China between 26 August and 8 September 2019.
The 2019 Città di Como Challenger was a professional tennis tournament played on clay courts. It was the fourteenth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Como, Italy between 26 August and 1 September 2019.
The 2019 Columbus Challenger III was a professional tennis tournament played on hard courts. It was the eighth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Columbus, United States between 16 and 22 September 2019.
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.
The 2021 Biella Challenger Indoor was a professional tennis tournament played on hard courts. It was the 1st edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Biella, Italy between 8 and 14 February 2021.
The 2021 Biella Challenger Indoor II was a professional tennis tournament played on hard courts. It was the 2nd edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Biella, Italy between 15 and 21 February 2021.
The 2021 Biella Challenger Indoor III was a professional tennis tournament played on hard courts. It was the 3rd edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Biella, Italy between 8 and 14 March 2021.
The 2021 Biella Challenger Indoor IV was a professional tennis tournament played on hard courts. It was the 4th edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Biella, Italy between 15 and 21 March 2021.
The 2021 Biella Challenger V was a professional tennis tournament played on outdoor red clay courts. It was part of the 2021 ATP Challenger Tour. It took place in Biella, Italy between 3 and 9 May 2021.
The 2021 Biella Challenger VI was a professional tennis tournament played on outdoor red clay courts. It was part of the 2021 ATP Challenger Tour. It took in Biella, Italy between 17 and 23 May 2021.
The 2021 Biella Challenger VII was a professional tennis tournament played on outdoor red clay courts. It was part of the 2021 ATP Challenger Tour. It took in Biella, Italy between 31 May and 6 June 2021.