| 2017 Challenger Banque Nationale de Gatineau | |
|---|---|
| Date | July 17–23 |
| Edition | 2nd (men) 4th (women) |
| Category | ATP Challenger Tour ITF Women's Circuit |
| Prize money | US$75,000 (men) US$25,000 (women) |
| Surface | Hard – outdoors |
| Location | Gatineau, Canada |
| Venue | Parc de l'Île |
| Champions | |
| Men's singles | |
.svg.png.webp){kind=small} Denis Shapovalov | |
| Women's singles | |
| Aleksandra Wozniak | |
| Men's doubles | |
 Bradley Klahn / Jackson Withrow | |
| Women's doubles | |
 Hiroko Kuwata /  Valeria Savinykh | |
The 2017 Challenger Banque Nationale de Gatineau was a professional tennis tournament played on outdoor hard courts. It was the 2nd edition of the tournament for men and the 4th for women, and it was 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 Gatineau, Canada between July 17 and 23, 2017.
Men's singles main-draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 TUN |
Malek Jaziri | 77 | 1 |
 ITA |
Thomas Fabbiano | 91 | 2 |
 SLO |
Blaž Kavčič | 110 | 3 |
| JPN |
Go Soeda | 113 | 4 |
| CAN |
Peter Polansky | 127 | 5 |
 TPE |
Jason Jung | 160 | 6 |
| CAN |
Denis Shapovalov | 164 | 7 |
 FRA |
Vincent Millot | 171 | 8 |
- 1 Rankings are as of July 3, 2017
Other entrants
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw using a protected ranking:
The following players received entry into the singles main draw as alternates:
The following players received entry from the qualifying draw:
Women's singles main-draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
.svg.png.webp){kind=small} AUS |
Olivia Rogowska | 237 | 1 |
| USA |
Danielle Lao | 241 | 2 |
| JPN |
Mayo Hibi | 250 | 3 |
| JPN |
Hiroko Kuwata | 256 | 4 |
 POR |
Michelle Larcher de Brito | 283 | 5 |
| CAN |
Aleksandra Wozniak | 322 | 6 |
 GER |
Sarah-Rebecca Sekulic | 324 | 7 |
| JPN |
Miharu Imanishi | 330 | 8 |
- 1 Rankings are as of July 3, 2017
Other entrants
The following players received wildcards into the singles main draw:
- Carson Branstine
- Anca Craciun
- Leylah Annie Fernandez
- Layne Sleeth
The following player entered the singles main draw with a protected ranking:
The following players received entry from the qualifying draw:
- Elena Bovina
Alexa Guarachi- Nika Kukharchuk
Samantha Murray- Ellen Perez
- Emily Webley-Smith
Marcela Zacarías- Amy Zhu
Champions
Men's singles
- Denis Shapovalov def. Peter Polansky, 6–1, 3–6, 6–3
Women's singles
- Aleksandra Wozniak def. Ellen Perez, 7–6(7–4), 6–4
Men's doubles
- Bradley Klahn / Jackson Withrow def. Hans Hach Verdugo / Vincent Millot, 6–2, 6–3
Women's doubles
- Hiroko Kuwata / Valeria Savinykh def. Kimberly Birrell / Emily Webley-Smith, 4–6, 6–3, [10–5]