# 2017 Winnipeg National Bank Challenger – Women's singles

Francesca Di Lorenzo was the defending champion, but lost in the second round to Jessika Ponchet.
Caroline Dolehide won the title, defeating Mayo Hibi 6–3, 6–4 in the final.

## Seeds

* Nicole Gibbs (semifinals)
* Danielle Collins (first round)
* Danielle Lao (second round)
* Caroline Dolehide (champion)
* Mayo Hibi (final)
* Hiroko Kuwata (quarterfinals)
* Michelle Larcher de Brito (first round)
* Francesca Di Lorenzo (second 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 | Semifinals | Final | Final | Final | Final |
| 1 | Nicole Gibbs | 1 | 6 | 3 | | | | |
| 5 | Mayo Hibi | 6 | 2 | 6 | | | | |
| 5 | Mayo Hibi | 6 | 2 | 6 | 5 | Mayo Hibi | 3 | 4 |
| | | | | | 4 | Caroline Dolehide | 6 | 6 |
| 4 | Caroline Dolehide | 6 | 6 | | 4 | Caroline Dolehide | 6 | 6 |
| | Xu Shilin | 2 | 3 | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | N Gibbs | 6 | 6 | | | | | | | | | | | | | | | | |
| WC | C Robillard-Millette | 1 | 2 | | 1 | N Gibbs | 7 | 7 | | | | | | | | | | | |
| Q | HA Altick | 2 | 2 | | | R Yurovsky | 5 | 5 | | | | | | | | | | | |
| | R Yurovsky | 6 | 6 | | | | | | | 1 | N Gibbs | 5 | 6 | 6 | | | | | |
| WC | I Boulais | 3 | 7$^8$ | 3 | | | | | | | J Ponchet | 7 | 1 | 3 | | | | | |
| | J Ponchet | 6 | 6$^6$ | 6 | | J Ponchet | 6 | 6 | | | | | | | | | | | |
| Q | J Failla | 6 | 6$^5$ | 1 | 8 | F Di Lorenzo | 4 | 3 | | | | | | | | | | | |
| 8 | F Di Lorenzo | 4 | 7$^7$ | 6 | | | | | | | | | | | 1 | N Gibbs | 1 | 6 | 3 |
| 3 | D Lao | 6 | 6 | | | | | | | | | | | | 5 | M Hibi | 6 | 2 | 6 |
| | V Savinykh | 4 | 2 | | 3 | D Lao | 7$^8$ | 6$^5$ | 6$^3$ | | | | | | | | | | |
| Q | M Zacarías | 2 | 6 | 4 | Q | A Mueller | 6$^6$ | 7$^7$ | 7$^7$ | | | | | | | | | | |
| Q | A Mueller | 6 | 4 | 6 | | | | | | Q | A Mueller | 3 | 3 | | | | | | |
| Q | N Kukharchuk | 6$^4$ | 2 | | | | | | | 5 | M Hibi | 6 | 6 | | | | | | |
| | E Perez | 7$^7$ | 6 | | | E Perez | 5 | 2 | | | | | | | | | | | |
| | C Ferrando | 1 | 1 | | 5 | M Hibi | 7 | 6 | | | | | | | | | | | |
| 5 | M Hibi | 6 | 6 | | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | M Larcher de Brito | 3 | 4 | | | | | | | | | | | | | | |
| | M Imanishi | 6 | 6 | | M Imanishi | 6 | 6 | | | | | | | | | | |
| WC | C Leduc | 1 | 1 | | M Minokoshi | 2 | 1 | | | | | | | | | | |
| | M Minokoshi | 6 | 6 | | | | | | | M Imanishi | 7$^8$ | 4 | 6$^4$ | | | | |
| PR | K Birrell | 6 | 6 | | | | | | 4 | C Dolehide | 6$^6$ | 6 | 7$^7$ | | | | |
| WC | P Januskova | 4 | 2 | PR | K Birrell | 6 | 2 | 4 | | | | | | | | | |
| Q | S Daavettila | 3 | 2 | 4 | C Dolehide | 4 | 6 | 6 | | | | | | | | | |
| 4 | C Dolehide | 6 | 6 | | | | | | | | | | | 4 | C Dolehide | 6 | 6 |
| 6 | H Kuwata | 6 | 6 | | | | | | | | | | | | S Xu | 2 | 3 |
| | S-R Sekulic | 3 | 0 | 6 | H Kuwata | 3 | 6 | 6 | | | | | | | | | |
| Q | LA Fernandez | 2 | 1 | | A Wozniak | 6 | 3 | 4 | | | | | | | | | |
| | A Wozniak | 6 | 6 | | | | | | 6 | H Kuwata | 2 | 6 | 3 | | | | |
| | C Zhao | 6 | 6 | | | | | | | S Xu | 6 | 4 | 6 | | | | |
| Q | S Talcott | 2 | 0 | | C Zhao | 6 | 1 | 6$^4$ | | | | | | | | | |
| | S Xu | 6 | 7$^7$ | | S Xu | 4 | 6 | 7$^7$ | | | | | | | | | |
| 2 | D Collins | 0 | 6$^5$ | | | | | | | | | | | | | | |