| 2015 Open BNP Paribas Banque de Bretagne | |
|---|---|
| Date | 2–8 March |
| Edition | 5th |
| Draw | 32S / 16D |
| Prize money | €42,500+H |
| Surface | Hard |
| Location | Quimper, France |
| Champions | |
| Singles | |
 Benoît Paire | |
| Doubles | |
 Flavio Cipolla /  Dominik Meffert | |
The 2015 Open BNP Paribas Banque de Bretagne was a professional tennis tournament played on hard courts. It was the fifth edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Quimper, France between 2 and 8 March 2015.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 UZB | Farrukh Dustov | 98 | 1 |
| FRA | Kenny de Schepper | 103 | 2 |
| GER | Andreas Beck | 114 | 3 |
| FRA | Benoît Paire | 118 | 4 |
 UKR | Illya Marchenko | 127 | 5 |
 EST | Jürgen Zopp | 157 | 6 |
 GBR | Liam Broady | 181 | 7 |
| ITA | Matteo Viola | 193 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Teri Groll Edward Corrie Calvin Hemery Daniel Brands The following players received entry as lucky losers:
Andrés Artuñedo Martínavarro Sébastien Boltz Élie RoussetThe following players got into the singles main draw as a special exempt:
Benoît Paire def. Grégoire Barrère, 6–4, 3–6, 6–4 Flavio Cipolla / Dominik Meffert def. Martin Emmrich / 
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