Men's singles
2012 Challenger Banque Nationale de Granby
Champion	Vasek Pospisil
Runner-up	Igor Sijsling
Score	7–6(7–2), 6–4

Édouard Roger-Vasselin was the defending champion but decided not to participate.
Vasek Pospisil defeated Igor Sijsling in the final 7–6^(7–2), 6–4.

Seeds

Draw

Finals

	Semifinals							Final
	1	Vasek Pospisil	64	7	6
	WC	Philip Bester	77	5	4
								1	Vasek Pospisil	77	6
								2	Igor Sijsling	62	4
	4	Danai Udomchoke	77	3	4
	2	Igor Sijsling	63	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	V Pospisil	66	77	3
		B Mitchell	78	61	1r			1	V Pospisil	4	77	6
		D Garza	6	6					D Garza	6	63	0
	Q	Isade Juneau	2	4											1	V Pospisil	6	1	6
		F Peliwo	4	66											8	T Fabbiano	2	6	4
		R Borvanov	6	78					R Borvanov	1	4
	Q	T Suzuki	3	2				8	T Fabbiano	6	6
	8	T Fabbiano	6	6																		1	V Pospisil	64	7	6
	3/WC	F Dancevic	6	6																		WC	P Bester	77	5	4
		R Ghedin	2	2				3/WC	F Dancevic	63	4
	WC	P Bester	4	77	6			WC	P Bester	77	6
		T Matsui	6	62	4										WC	P Bester	7	6
		A El Mihdawy	6	6												A El Mihdawy	5	3
		R Bloomfield	2	2					A El Mihdawy	1	7	6
		Charles-Antoine Brézac	6	7					C-A Brézac	6	5	4
	7	É Chvojka	4	5

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	J Duckworth	6	4	6
	Q	Reid Carleton	3	6	4			6	J Duckworth	5	7	77
		Takuto Niki	3	63					B Strode	7	5	62
		B Strode	6	77											6	J Duckworth	67	1
	WC	Pavel Krainik	63	1											4	D Udomchoke	79	6
		K Kim	77	6					K Kim	4	1
		M Reid	1	4				4	D Udomchoke	6	6
	4	D Udomchoke	6	6																		4	D Udomchoke	77	3	4
	5	M Authom	77	6																		2	I Sijsling	63	6	6
		D Kosakowski	64	4				5	M Authom	3	6	7
	Q	Milan Pokrajac	6	6				Q	M Pokrajac	6	1	5
	WC	Samuel Monette	4	2											5	M Authom	67	6	1
		Y Uchiyama	79	2	6										2	I Sijsling	79	4	6
		Clément Reix	67	6	3				Y Uchiyama	62	2
		J Peers	63	5				2	I Sijsling	77	6
	2	I Sijsling	77	7

References

• Main Draw
• Qualifying Draw