2017 Challenger Banque Nationale de Gatineau

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

The following players received wildcards into the singles main draw:

• Philip Bester
• Liam Broady
• Filip Peliwo
• Benjamin Sigouin

The following player received entry into the singles main draw using a protected ranking:

• Bradley Klahn

The following players received entry into the singles main draw as alternates:

• Daniel Nguyen
• Max Purcell

The following players received entry from the qualifying draw:

• JC Aragone
• Sekou Bangoura
• Marcos Giron
• Mikael Torpegaard

Country	Player	Rank1	Seed
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

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:

• Kimberly Birrell

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

• Denis Shapovalov def. Peter Polansky, 6–1, 3–6, 6–3

• Aleksandra Wozniak def. Ellen Perez, 7–6^(7–4), 6–4

• Bradley Klahn / Jackson Withrow def. Hans Hach Verdugo / Vincent Millot, 6–2, 6–3

• Hiroko Kuwata / Valeria Savinykh def. Kimberly Birrell / Emily Webley-Smith, 4–6, 6–3, [10–5]