| 2017 Winnipeg National Bank Challenger | |
|---|---|
| Date | July 11–16 |
| Edition | 2nd (men) 5th (women) |
| Category | ATP Challenger Tour ITF Women's Circuit |
| Prize money | US$75,000 (men) US$25,000 (women) |
| Surface | Hard – outdoors |
| Location | Winnipeg, Manitoba, Canada |
| Venue | Winnipeg Lawn Tennis Club |
| Champions | |
| Men's singles | |
 Blaž Kavčič | |
| Women's singles | |
 Caroline Dolehide | |
| Men's doubles | |
 Luke Bambridge /  David O'Hare | |
| Women's doubles | |
 Hiroko Kuwata /  Valeria Savinykh | |
The 2017 Winnipeg National Bank Challenger was a professional tennis tournament played on outdoor hard courts. It was the 2nd edition, for men, and 5th edition, for women, of the tournament and part of the 2017 ATP Challenger Tour and the 2017 ITF Women's Circuit, offering totals of $75,000, for men, and $25,000, for women, in prize money. It took place in Winnipeg, Manitoba, Canada between July 11 and July 16, 2017.
Men's singles main-draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| SLO |
Blaž Kavčič | 110 | 1 |
.svg.png.webp){kind=small} CAN |
Peter Polansky | 127 | 2 |
| JPN |
Tatsuma Ito | 181 | 3 |
| JPN |
Yasutaka Uchiyama | 186 | 4 |
| JPN |
Hiroki Moriya | 187 | 5 |
| CAN |
Steven Diez | 225 | 6 |
| CAN |
Brayden Schnur | 233 | 7 |
| SLO |
Blaž Rola | 245 | 8 |
- 1 Rankings are as of July 3, 2017
Other entrants
The following players received wildcards into the singles main draw:
- Hugo Di Feo
- Jack Mingjie Lin
- Samuel Monette
- Nicaise Muamba
The following players received entry from the qualifying draw:
Women's singles main-draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| USA |
Nicole Gibbs | 117 | 1 |
| USA |
Danielle Collins | 164 | 2 |
| USA |
Danielle Lao | 241 | 3 |
| USA |
Caroline Dolehide | 246 | 4 |
| JPN |
Mayo Hibi | 250 | 5 |
| JPN |
Hiroko Kuwata | 256 | 6 |
 POR |
Michelle Larcher de Brito | 283 | 7 |
| USA |
Francesca Di Lorenzo | 289 | 8 |
- 1 Rankings are as of July 3, 2017
Other entrants
The following players received wildcards into the singles main draw:
- Isabelle Boulais
- Petra Januskova
- Catherine Leduc
- Charlotte Robillard-Millette
The following player entered the singles main draw with a protected ranking:
The following players received entry from the qualifying draw:
- Helen Abigail Altick
- Sara Daavettila
- Jessica Failla
- Leylah Annie Fernandez
- Nika Kukharchuk
- Alexandra Mueller
- Shelby Talcott
Marcela Zacarías
Champions
Men's singles
- Blaž Kavčič def. Peter Polansky, 7–5, 3–6, 7–5
Women's singles
- Caroline Dolehide def. Mayo Hibi, 6–3, 6–4
Men's doubles
- Luke Bambridge / David O'Hare def. Yusuke Takahashi / Renta Tokuda, 6–2, 6–2
Women's doubles
- Hiroko Kuwata / Valeria Savinykh def.
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Kimberly Birrell / Caroline Dolehide, 6–4, 7–6(7–4)