# 2017 Challenger Banque Nationale de Gatineau – Women's singles

Bianca Andreescu was the defending champion, but decided not to participate this year.
Aleksandra Wozniak won the title, defeating Ellen Perez 7–6$^{(7–4)}$, 6–4 in the final.

## Seeds

* Olivia Rogowska (second round)
* Danielle Lao (second round)
* Mayo Hibi (quarterfinals)
* Hiroko Kuwata (second round)
* Michelle Larcher de Brito (first round)
* Aleksandra Wozniak (champion)
* Sarah-Rebecca Sekulic (semifinals)
* Miharu Imanishi (first round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 7 | Sarah-Rebecca Sekulic | 4 | 4 | | | | |
| Q | Ellen Perez | 6 | 6 | | | | |
| Q | Ellen Perez | 6 | 6 | Q | Ellen Perez | 6$^4$ | 4 |
| | | | | 6 | Aleksandra Wozniak | 7$^7$ | 6 |
| 6 | Aleksandra Wozniak | 6 | 6 | 6 | Aleksandra Wozniak | 7$^7$ | 6 |
| | P Hon | 2 | 2 | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | O Rogowska | 6 | 6 | | | | | | | | | | | | | | |
| Q | A Zhu | 2 | 4 | | 1 | O Rogowska | 6$^6$ | 7 | 4 | | | | | | | | |
| WC | L Sleeth | 4 | 5 | | Q | S Murray | 7$^8$ | 5 | 6 | | | | | | | | |
| Q | S Murray | 6 | 7 | | | | | | | Q | S Murray | 0 | 4 | | | | |
| WC | C Branstine | 6 | 6 | | | | | | | 7 | S-R Sekulic | 6 | 6 | | | | |
| WC | A Craciun | 2 | 2 | | WC | C Branstine | 6$^3$ | 6 | 4 | | | | | | | | |
| | V Savinykh | 2 | 1 | | 7 | S-R Sekulic | 7$^7$ | 3 | 6 | | | | | | | | |
| 7 | S-R Sekulic | 6 | 6 | | | | | | | | | | | 7 | S-R Sekulic | 4 | 4 |
| 4 | H Kuwata | 1 | 6 | 6 | | | | | | | | | | Q | E Perez | 6 | 6 |
| | M Minokoshi | 6 | 4 | 1 | 4 | H Kuwata | 6 | 3 | 6$^2$ | | | | | | | | |
| Q | A Guarachi | 6 | 6 | | Q | A Guarachi | 4 | 6 | 7$^7$ | | | | | | | | |
| | J Elbaba | 0 | 2 | | | | | | | Q | A Guarachi | 6$^4$ | 2 | | | | |
| Q | N Kukharchuk | 0 | 1 | | | | | | | Q | E Perez | 7$^7$ | 6 | | | | |
| | C Ferrando | 6 | 6 | | | C Ferrando | 5 | 4 | | | | | | | | | |
| Q | E Perez | 6 | 6 | | Q | E Perez | 7 | 6 | | | | | | | | | |
| 5 | M Larcher de Brito | 3 | 4 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | A Wozniak | 7$^7$ | 6 | | | | | | | | | | | | | | |
| | K Swan | 6$^5$ | 1 | | 6 | A Wozniak | 6 | 6 | | | | | | | | | |
| | Z Zlochová | 1 | 4 | | Q | E Bovina | 1 | 2 | | | | | | | | | |
| Q | E Bovina | 6 | 6 | | | | | | | 6 | A Wozniak | 6 | 7$^7$ | | | | |
| | J Ponchet | 6 | 6 | | | | | | | 3 | M Hibi | 4 | 6$^5$ | | | | |
| WC | LA Fernandez | 1 | 2 | | | J Ponchet | 4 | 6 | 5 | | | | | | | | |
| PR | K Birrell | 1 | 2 | | 3 | M Hibi | 6 | 2 | 7 | | | | | | | | |
| 3 | M Hibi | 6 | 6 | | | | | | | | | | | 6 | A Wozniak | 6 | 6 |
| 8 | M Imanishi | 2 | 3 | | | | | | | | | | | | P Hon | 2 | 2 |
| | R Yurovsky | 6 | 6 | | | R Yurovsky | | | | | | | | | | | |
| | P Hon | 4 | 6 | 6 | | P Hon | w/o | | | | | | | | | | |
| | C Zhao | 6 | 4 | 4 | | | | | | | P Hon | 6 | 6 | | | | |
| Q | E Webley-Smith | 1 | 0 | | | | | | | Q | M Zacarías | 1 | 3 | | | | |
| Q | M Zacarías | 6 | 6 | | Q | M Zacarías | 3 | 6 | 6 | | | | | | | | |
| | O Tjandramulia | 2 | 0 | | 2 | D Lao | 6 | 3 | 3 | | | | | | | | |
| 2 | D Lao | 6 | 6 | | | | | | | | | | | | | | |