| Men's doubles | |
|---|---|
| 2015 Challenger Banque Nationale de Granby | |
| Champions |  Philip Bester Peter Polansky |
| Runners-up |  Enzo Couacaud  Luke Saville |
| Score | 6–7(5–7), 7–6(7–2), [10–7] |
Marcus Daniell and Artem Sitak were the defending champions, but decided not to participate this year.
Philip Bester and Peter Polansky won the title, defeating Enzo Couacaud and Luke Saville 6–7(5–7), 7–6(7–2), [10–7] in the final.
Alex Bolt / Andrew Whittington (semifinals, withdrew)
Ruben Gonzales / 
Darren Walsh (first round) Philip Bester / Peter Polansky (champions)
Karol Beck / Lukáš Lacko (first round, withdrew)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | A Bolt A Whittington | 7 | 6 | ||||||||||||||||||||||||
| Isade Juneau Samuel Monette | 5 | 3 | 1 | A Bolt A Whittington | 6 | 6 | |||||||||||||||||||||
 Jean-Yves Aubone R Sarmiento | 6 | 65 | [11] | J-Y Aubone R Sarmiento | 2 | 3 | |||||||||||||||||||||
 M Authom V Millot | 3 | 77 | [9] | 1 | A Bolt A Whittington | ||||||||||||||||||||||
| 4 | K Beck L Lacko | E Couacaud L Saville | w/o | ||||||||||||||||||||||||
| E Couacaud L Saville | w/o | E Couacaud L Saville | 6 | 4 | [10] | ||||||||||||||||||||||
| WC | JM Lin D Shapovalov | 2 | WC | JM Lin D Shapovalov | 2 | 6 | [4] | ||||||||||||||||||||
 Hiroyasu Ehara Suichi Sekiguchi | 1r | E Couacaud L Saville | 77 | 62 | [7] | ||||||||||||||||||||||
| WC | F Auger-Aliassime A Galarneau | 3 | 2 | 3 | P Bester P Polansky | 65 | 77 | [10] | |||||||||||||||||||
| Dennis Nevolo E Quigley | 6 | 6 | D Nevolo E Quigley | 4 | 3 | ||||||||||||||||||||||
| WC | Hugo Di Feo B Schnur | 5 | 5 | 3 | P Bester P Polansky | 6 | 6 | ||||||||||||||||||||
| 3 | P Bester P Polansky | 7 | 7 | 3 | P Bester P Polansky | 6 | 6 | ||||||||||||||||||||
| N Kryvonos K Stevenson | 0 | 4 |  D King Y Nishioka | 1 | 2 | ||||||||||||||||||||||
 Erik Crepaldi A El Mihdawy | 6 | 6 | E Crepaldi A El Mihdawy | 2 | 1 | ||||||||||||||||||||||
| D King Y Nishioka | 3 | 6 | [10] | D King Y Nishioka | 6 | 6 | |||||||||||||||||||||
| 2 | R Gonzales D Walsh | 6 | 3 | [5] | |||||||||||||||||||||||