| Doubles | |
|---|---|
| 2015 Open BNP Paribas Banque de Bretagne | |
| Champions |  Flavio Cipolla  Dominik Meffert |
| Runners-up | Martin Emmrich  Andreas Siljeström |
| Final score | 3–6, 7–6(7–5), [10–8] |
Pierre-Hugues Herbert and Albano Olivetti were the defending champions, but chose not to participate.
Flavio Cipolla and Dominik Meffert won the title, defeating Martin Emmrich and Andreas Siljeström in the final, 3–6, 7–6(7–5), [10–8].
Martin Emmrich / Andreas Siljeström (final)
Rameez Junaid / Frank Moser (first round)
Ken Skupski / Neal Skupski (first round) Flavio Cipolla / Dominik Meffert (champions)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | M Emmrich A Siljeström | 6 | 6 | ||||||||||||||||||||||||
| Alt |  D Guez M Vaïsse | 1 | 1 | 1 | M Emmrich A Siljeström | 78 | 77 | ||||||||||||||||||||
| A Arnaboldi M Viola | 3 | 6 | [3] | WC | A Michon M Teixeira | 66 | 65 | ||||||||||||||||||||
| WC | A Michon M Teixeira | 6 | 4 | [10] | 1 | M Emmrich A Siljeström | 6 | 712 | |||||||||||||||||||
| 3 | K Skupski N Skupski | 4 | 6 | [7] | WC |  M Authom R Jouan | 3 | 610 | |||||||||||||||||||
| WC | M Authom R Jouan | 6 | 3 | [10] | WC | M Authom R Jouan | 6 | 6 | |||||||||||||||||||
 R Jebavý  J Zopp | 3 | 4 | K de Schepper F Martin | 4 | 2 | ||||||||||||||||||||||
| K de Schepper F Martin | 6 | 6 | 1 | M Emmrich A Siljeström | 6 | 65 | [8] | ||||||||||||||||||||
 S Arends D Walsh | 6 | 6 | 4 | F Cipolla D Meffert | 3 | 77 | [10] | ||||||||||||||||||||
 A Kapaś Elie Rousset | 4 | 3 | S Arends D Walsh | 4 | 65 | ||||||||||||||||||||||
| E Corrie S Thornley | 5 | 6 | [7] | 4 | F Cipolla D Meffert | 6 | 77 | ||||||||||||||||||||
| 4 | F Cipolla D Meffert | 7 | 2 | [10] | 4 | F Cipolla D Meffert | 4 | 7 | [10] | ||||||||||||||||||
A Beck  M Fischer | 6 | 6 | A Beck M Fischer | 6 | 5 | [4] | |||||||||||||||||||||
 J Cerretani  P Grigoriu | 4 | 4 | A Beck M Fischer | 77 | 4 | [10] | |||||||||||||||||||||
| WC | G Barrère Julien Obry | 6 | 6 | WC | G Barrère J Obry | 63 | 6 | [5] | |||||||||||||||||||
| 2 | R Junaid Frank Moser | 3 | 3 | ||||||||||||||||||||||||
Édouard Roger-Vasselin and Nicolas Devilder were the defending champions but did not participate.
No 2 seeds Dominik Meffert and Frederik Nielsen won the final against the No. 1 seeds Flavio Cipolla and Simone Vagnozzi, 7–6(7–4), 5–7, [10–5].
Travis Rettenmaier and Ken Skupski were the defending champions from the last edition of the tournament in 2009. They chose not to participate this year.
Matthias Bachinger and Simon Stadler defeated Dominik Meffert and Frederik Nielsen 3–6, 7–6(3), [10–7] in the final.
Dustin Brown and Rogier Wassen were the defending champions but they decided not to participate together.
Wassen played alongside Björn Phau, while Brown partnered up with Ken Skupski. They all were eliminated in the quarterfinals.
Frederik Nielsen and Ken Skupski were the defending champions but Nielsen decided not to participate.
Skupski plays alongside Jamie Delgado. They went on to win the title against Martin Fischer and Philipp Oswald 7–5, 7–5 in the final.
Ashley Fisher and Stephen Huss were the defending champions but decided not to participate.
Johan Brunström and Izak van der Merwe won the title, defeating Martin Emmrich and Andreas Siljeström 6–4, 6–1 in the final.
Dustin Brown and Jonathan Marray were the defending champions but Marray decided not to participate.
Brown played alongside Jamie Delgado, but they lost in the quarterfinals to Dominik Meffert and Philipp Oswald.
Andreas Beck and Martin Fischer defeated Martin Emmrich and Rameez Junaid 7–6(7–2), 6–0 in the final to win the title.
Jamie Delgado and Ken Skupski were the defending champions, but decided not to participate together.
Delgado played alongside Andreas Siljeström, but they lost to Philipp Marx and Florin Mergea in the second round, while Skupski partnered with Andreas Beck, but they lost to Dustin Brown and Rameez Junaid in the first round.
Andre Begemann and Martin Emmrich defeated Marx and Mergea 7–6(7–4), 6–3 in the final to win the title.
Andre Begemann and Martin Emmrich were the defending champions, but chose not to compete.
British team Ken Skupski and Neal Skupski outlasted the Italian team of Andrea Arnaboldi and Alessandro Giannessi to claim the title in three sets 6–4, 1–6, [10–7].
Tomasz Bednarek and Andreas Siljeström were the defending champions, but decided not to compete.
Christopher Kas and Oliver Marach were the defending champion, but decided not to compete.
Matthias Bachinger and Dominik Meffert took the title, beating Gong Maoxin and Peng Hsien-yin 6–3, 3–6, [10–6]
Illya Marchenko and Sergiy Stakhovsky were the defending tennis doubles champions, but neither player chose to participate.
Claudio Grassi and Riccardo Ghedin were the defending champions, having won the title in 2013, but they lost in the first round to Laurynas Grigelis and Adrian Ungur, who eventually won the tournament, defeating Flavio Cipolla and Alessandro Motti in the final, 3–6, 6–2, [10–5].
Karol Beck and Michal Mertiňák were the defending champions, but they did not participate this year.
Henri Kontinen and Konstantin Kravchuk were the defending champions, but chose not to participate.
Andreas Beck and Jan Mertl won the title, defeating Rameez Junaid and Adil Shamasdin in the final, 6–2, 3–6, [10–3].
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.
This was the first edition of the tournament since 2008.
Martin Emmrich and Andreas Siljeström are the defending champions, but Emmrich chose not to participate and Siljeström chose to partner with Mateusz Kowalczyk. Siljeström and Kowalczyk lost in the semifinals to Ken Skupski and Neal Skupski.
Flavio Cipolla and Dominik Meffert were the defending champions, but chose not to participate.
Johan Brunström and Dick Norman were the defending champions, but only Brunström chose to defend his title, partnering Andreas Siljeström.