| Women's singles | |
|---|---|
| 2015 Challenger Banque Nationale de Granby | |
| Champion |  Johanna Konta |
| Runner-up |  Stéphanie Foretz |
| Score | 6–2, 6–4 |
Miharu Imanishi was the defending champion, but decided not to participate this year.
Johanna Konta won the title, defeating Stéphanie Foretz 6–2, 6–4 in the final.
Johanna Konta (champion)
Naomi Osaka (first round) Stéphanie Foretz (final) Julie Coin (quarterfinals)
Marcela Zacarías (first round)
Olivia Rogowska (second round) Naomi Broady (quarterfinals) Amandine Hesse (second round)| Semifinals | Final | ||||||||||||
| 1 | Johanna Konta | 6 | 7 | ||||||||||
| Victoria Rodríguez | 0 | 5 | |||||||||||
| 1 | Johanna Konta | 6 | 6 | ||||||||||
| 3 | Stéphanie Foretz | 2 | 4 | ||||||||||
| 3 | Stéphanie Foretz | 6 | 7 | ||||||||||
| Jessica Moore | 2 | 5 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | J Konta | 7 | 6 | ||||||||||||||||||||||||
 B Štefková | 5 | 1 | 1 | J Konta | 7 | 6 | |||||||||||||||||||||
 A Koch | 6 | 78 | A Koch | 5 | 0 | ||||||||||||||||||||||
 A Mueller | 2 | 66 | 1 | J Konta | 6 | 6 | |||||||||||||||||||||
 H El Tabakh | 7 | 6 | 7 | N Broady | 3 | 3 | |||||||||||||||||||||
| A Guarachi | 5 | 4 | H El Tabakh | 3 | 6 | 5 | |||||||||||||||||||||
| D Lao | 1 | 3 | 7 | N Broady | 6 | 3 | 7 | ||||||||||||||||||||
| 7 | N Broady | 6 | 6 | 1 | J Konta | 6 | 7 | ||||||||||||||||||||
| 4 | J Coin | 6 | 6 | V Rodríguez | 0 | 5 | |||||||||||||||||||||
| E Webley-Smith | 3 | 1 | 4 | J Coin | 7 | 4 | 6 | ||||||||||||||||||||
 C-y Hsu | 6 | 6 | C-y Hsu | 5 | 6 | 4 | |||||||||||||||||||||
 AP Neffa de los Ríos | 0 | 3 | 4 | J Coin | 6 | 1 | 1 | ||||||||||||||||||||
| V Rodríguez | 6 | 6 | V Rodríguez | 3 | 6 | 6 | |||||||||||||||||||||
| Q | M Patrascu | 2 | 4 | V Rodríguez | 77 | 6 | |||||||||||||||||||||
| L Albanese | 4 | 4 | 6 | O Rogowska | 62 | 1 | |||||||||||||||||||||
| 6 | O Rogowska | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | A Hesse | 6 | 6 | ||||||||||||||||||||||||
| Q | K Sebov | 3 | 3 | 8 | A Hesse | 6 | 4 | 65 | |||||||||||||||||||
| WC | A Broomfield | 2 | 2 | WC | C Robillard-Millette | 0 | 6 | 77 | |||||||||||||||||||
| WC | C Robillard-Millette | 6 | 6 | WC | C Robillard-Millette | 4 | 3 | ||||||||||||||||||||
| Q | A Inoue | 7 | 6 | 3 | S Foretz | 6 | 6 | ||||||||||||||||||||
| F Abanda | 5 | 3 | Q | A Inoue | 1 | 4 | |||||||||||||||||||||
| M Inoue | 1 | 65 | 3 | S Foretz | 6 | 6 | |||||||||||||||||||||
| 3 | S Foretz | 6 | 77 | 3 | S Foretz | 6 | 7 | ||||||||||||||||||||
| 5 | M Zacarías | 4 | 4 | J Moore | 2 | 5 | |||||||||||||||||||||
| C Zhao | 6 | 6 | C Zhao | 6 | 1 | 2 | |||||||||||||||||||||
| S Sanders | 63 | 6 | 3 | J Moore | 1 | 6 | 6 | ||||||||||||||||||||
| J Moore | 77 | 3 | 6 | J Moore | 65 | 6 | 77 | ||||||||||||||||||||
| WC | E Routliffe | 3 | 1 | Q | E Halbauer | 77 | 4 | 65 | |||||||||||||||||||
| Q | E Halbauer | 6 | 6 | Q | E Halbauer | 6 | 4 | 6 | |||||||||||||||||||
| WC | L Robson | 77 | 65 | 6 | WC | L Robson | 2 | 6 | 2 | ||||||||||||||||||
| 2 | N Osaka | 65 | 77 | 3 | |||||||||||||||||||||||
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