| 2019 Open BNP Paribas Banque de Bretagne | |
|---|---|
| Date | 28 January – 3 February |
| Edition | 9th |
| Surface | Hard |
| Location | Quimper, France |
| Champions | |
| Singles | |
 Grégoire Barrère | |
| Doubles | |
| Fabrice Martin / Hugo Nys | |
The 2019 Open BNP Paribas Banque de Bretagne was a professional tennis tournament played on hard courts. It was the ninth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Quimper, France between 28 January and 3 February 2019.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 POL | Hubert Hurkacz | 76 | 1 |
| FRA | Ugo Humbert | 95 | 2 |
 ESP | Marcel Granollers | 108 | 3 |
 LTU | Ričardas Berankis | 110 | 4 |
| FRA | Quentin Halys | 127 | 5 |
 GER | Matthias Bachinger | 128 | 6 |
| ESP | Adrián Menéndez Maceiras | 129 | 7 |
 UKR | Sergiy Stakhovsky | 132 | 8 |
| FRA | Constant Lestienne | 142 | 9 |
 EST | Jürgen Zopp | 146 | 10 |
| FRA | |||
 ITA | Salvatore Caruso | 156 | 12 |
| GER | Mats Moraing | 157 | 13 |
 BLR | Egor Gerasimov | 158 | 14 |
| FRA | Grégoire Barrère | 159 | 15 |
| ITA | Filippo Baldi | 167 | 16 |
The following players received wildcards into the singles main draw:
Constantin Bittoun Kouzmine Antoine Cornut-Chauvinc
Steve Darcis Evan Furness Hugo Gaston The following players received entry into the singles main draw using their ITF World Tennis Ranking:
The following players received entry into the singles main draw as alternates:
Hugo Nys Fabrizio OrnagoThe following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Quentin Gueydan Grégoire Barrère def. 
Dan Evans 4–6, 6–2, 6–3. Fabrice Martin / Hugo Nys def. 
David Pel / 
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