| 2019 Brest Challenger | |
|---|---|
| Date | 21–27 October |
| Edition | 5th |
| Surface | Hard |
| Location | Brest, France |
| Champions | |
| Singles | |
 Ugo Humbert | |
| Doubles | |
 Denys Molchanov /  Andrei Vasilevski | |
The 2019 Brest Challenger was a professional tennis tournament played on hard courts. It was the fifth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Brest, France between 21 and 27 October 2019.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| FRA | Ugo Humbert | 70 | 1 |
 ESP | Roberto Carballés Baena | 80 | 2 |
 ITA | Thomas Fabbiano | 89 | 3 |
| FRA | Corentin Moutet | 94 | 4 |
| ESP | Jaume Munar | 99 | 5 |
 RSA | Lloyd Harris | 106 | 6 |
| FRA | Antoine Hoang | 107 | 7 |
 RUS | Evgeny Donskoy | 113 | 8 |
 SVK | Norbert Gombos | 116 | 9 |
| ITA | Paolo Lorenzi | 117 | 10 |
 GER | Yannick Maden | 118 | 11 |
 CZE | Jiří Veselý | 120 | 12 |
 JPN | Yūichi Sugita | 129 | 13 |
| ESP | Guillermo García López | 141 | 14 |
| FRA | Enzo Couacaud | 177 | 15 |
| FRA | Quentin Halys | 180 | 16 |
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw as a special exempt:
The following players received entry from the qualifying draw:
Ugo Humbert def. Evgeny Donskoy 6–2, 6–3. Denys Molchanov / Andrei Vasilevski def. Andrea Vavassori / David Vega Hernández 6–3, 6–1.The 2015 Brest Challenger was a professional tennis tournament played on hard courts. It was the first edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place at the Brest Arena in Brest, France between 19 and 25 October 2015.
The 2017 Brest Challenger was a professional tennis tournament played on hard courts. It was the third edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Brest, France between 23 and 29 October 2017.
The 2017 Internationaux de Tennis de Vendée was a professional tennis tournament played on hard courts. It was the fifth edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Mouilleron-le-Captif, France between 6 and 12 November 2017.
The 2018 Open de Rennes was a professional tennis tournament played on hard courts. It was the twelfth edition of the tournament and part of the 2018 ATP Challenger Tour. It took place in Rennes, France between 22 and 28 January 2018.
The 2018 BNP Paribas Primrose Bordeaux was a professional tennis tournament played on clay courts. It was the eleventh edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Bordeaux, France between 14 and 20 May 2018.
The 2018 Challenger Banque Nationale de Granby was a professional tennis tournament played on outdoor hard courts. It was the twenty-fifth (ATP) and eighth (ITF) editions of the tournament and was part of the 2018 ATP Challenger Tour and the 2018 ITF Women's Circuit. It took place in Granby, Canada, on 23–29 July 2018.
The 2018 Cassis Open Provence was a professional tennis tournament played on hard courts. It was the 1st edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Cassis, France between 4 and 9 September 2018.
The 2018 Sparkassen ATP Challenger was a professional tennis tournament played on indoor hard courts in Ortisei, Italy between 8 and 14 October 2018. It was the ninth edition of the tournament which was part of the 2018 ATP Challenger Tour.
The 2018 Wolffkran Open was a professional tennis tournament played on carpet courts. It was the second edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Ismaning, Germany between 15 and 21 October 2018.
The 2018 Internazionali di Tennis Castel del Monte was a professional tennis tournament played on indoor carpet courts. It was the sixth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Andria, Italy between November 19 and November 25, 2018.
The 2019 Challenger La Manche was a professional tennis tournament played on indoor hard courts. It was the 26th edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Cherbourg, France between 11 and 17 February 2019.
The 2019 Amex-Istanbul Challenger was a professional tennis tournament played on hard courts. It was the 32nd edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Istanbul, Turkey between 9 and 15 September 2019.
The 2019 Lima Challenger was a professional tennis tournament played on clay courts. It was the thirteenth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Lima, Peru between October 21 and October 27, 2019.
The 2020 Oracle Challenger Series – Indian Wells was a professional tennis tournament played on outdoor hard courts. It was the third edition of the tournament, and part of the 2020 ATP Challenger Tour and the 2020 WTA 125K series. It took place from March 2–8, 2020 in Indian Wells, United States.
The 2021 Open d'Orléans was a professional tennis tournament played on indoor hard courts. It was the sixteenth edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Orléans, France between 27 September and 3 October 2021.
The 2021 Brest Challenger was a professional tennis tournament played on hard courts. It was the sixth edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Brest, France between 25 and 31 October 2021.
The 2022 Open de Rennes was a professional tennis tournament played on hard courts. It was the sixteenth edition of the tournament and part of the 2022 ATP Challenger Tour. It took place in Rennes, France between 12 and 18 September 2022.
The 2022 Brest Challenger was a professional tennis tournament played on hard courts. It was the seventh edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Brest, France between 24 and 30 October 2022.
The 2023 Teréga Open Pau–Pyrénées was a professional tennis tournament played on indoor hard courts. It was the fifth edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Pau, France between 27 February and 5 March 2023.
The 2023 BNP Paribas Primrose Bordeaux was a professional tennis tournament played on clay courts. It was the 14th edition of the tournament and part of the 2023 ATP Challenger Tour. It took place in Bordeaux, France between 15 and 20 May 2023.