2017 Challenger Banque Nationale de Gatineau – Men's singles

Peter Polansky was the defending champion but lost in the final to Denis Shapovalov.

Men's singles
2017 Challenger Banque Nationale de Gatineau
Champion	Denis Shapovalov
Runner-up	Peter Polansky
Score	6–1, 3–6, 6–3

Main article: 2017 Challenger Banque Nationale de Gatineau

Shapovalov won the title after defeating Polansky 6–1, 3–6, 6–3 in the final.

Seeds

1. Malek Jaziri (semifinals)
2. Thomas Fabbiano (quarterfinals)
3. Blaž Kavčič (second round, retired)
4. Go Soeda (second round)
5. Peter Polansky (final)
6. Jason Jung (first round)
7. Denis Shapovalov (champion)
8. Vincent Millot (quarterfinals)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	Semifinals							Final
	1	Malek Jaziri	6	1	2
	5	Peter Polansky	4	6	6
								5	Peter Polansky	1	6	3
								7	Denis Shapovalov	6	3	6
		Alexander Sarkissian	3	4
	7	Denis Shapovalov	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	M Jaziri	6	6
	Alt	D Nguyen	1	0				1	M Jaziri	64	77	6
	PR	B Klahn	3	65					B Schnur	77	62	1
		B Schnur	6	77											1	M Jaziri	6	1	7
	WC	L Broady	6	2	7										8	V Millot	4	6	5
		B Rola	2	6	5			WC	L Broady	2	6	2
		Z Zhang	4	7	2			8	V Millot	6	1	6
	8	V Millot	6	5	6																	1	M Jaziri	6	1	2
	4	G Soeda	6	6																		5	P Polansky	4	6	6
		T Chen	4	4				4	G Soeda	2	1
	Q	M Giron	6	6				Q	M Giron	6	6
	WC	F Peliwo	2	0											Q	M Giron	6	3	3
		M McDonald	3	0r											5	P Polansky	3	6	6
	Q	JC Aragone	6	1				Q	JC Aragone	6	3	1
		H Moriya	2	2				5	P Polansky	3	6	6
	5	P Polansky	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	J Jung	3	65
		Y Uchiyama	6	77					Y Uchiyama	4	6	5
		S Diez	3	2					A Sarkissian	6	4	7
		A Sarkissian	6	6												A Sarkissian	6	4	6
		Y Bhambri	6	6												Y Bhambri	3	6	4
		T Ito	3	2					Y Bhambri	77	3
	Q	M Torpegaard	2	1				3	B Kavčič	61	1r
	3	B Kavčič	6	6																			A Sarkissian	3	4
	7	D Shapovalov	6	3	6																	7	D Shapovalov	6	6
	WC	P Bester	3	6	3			7	D Shapovalov	6	6
		E Leshem	1	0r				Alt	M Purcell	1	2
	Alt	M Purcell	6	0											7	D Shapovalov	6	3	6
	WC	B Sigouin	1	3											2	T Fabbiano	3	6	3
	Q	S Bangoura	6	6				Q	S Bangoura	5	63
		O Jasika	6	1	1			2	T Fabbiano	7	77
	2	T Fabbiano	0	6	6

References

• Main Draw
• Qualifying Draw