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Singles
2012 Comerica Bank Challenger
Final
Champion	Steve Johnson
Runner-up	Robert Farah
Score	6–3, 6–3
Events
Singles Doubles
← 2011 · Comerica Bank Challenger · 2013 →

Laurynas Grigelis was the defending champion, but did not participate this year. Steve Johnson won the title, defeating Robert Farah 6–3, 6–3 in the final.

	Semifinals							Final
		Jan Hernych	3	4
	WC	Steve Johnson	6	6
								WC	Steve Johnson	6	6
									Robert Farah	3	3
	Q	Ilija Bozoljac	6	2	4
		Robert Farah	4	6	6

	First round							Second round							Quarterfinals							Semifinals
	1/WC	B Baker	7	4	2
		M Authom	5	6	6				M Authom	4	6	1
		M Copil	3	6	3				J Wang	6	4	6
		J Wang	6	2	6											J Wang	3	65
		F Romboli	4	4												J Hernych	6	77
		J Hernych	6	6					J Hernych	7	6
	SE	S Bubka	6	77					S Bubka	5	3
	5	T Kamke	3	63																			J Hernych	3	4
	3	R Ram	3	4																		WC	S Johnson	6	6
	Q	D Tursunov	6	6				Q	D Tursunov	4	r
		C Salamanca	3	5				WC	S Johnson	6
	WC	S Johnson	6	7											WC	S Johnson	6	6
		M Yani	3	1												R de Voest	3	4
	Q	J Dadamo	6	6				Q	J Dadamo	2	7	3
		R de Voest	6	6					R de Voest	6	5	6
	8	D Kudla	2	2

	First round							Second round							Quarterfinals							Semifinals
	6	F Serra	6	3	6
		G Pella	3	6	2			6	F Serra	3	4
		M Zverev	5	6	1			Q	I Bozoljac	6	6
	Q	I Bozoljac	7	4	6										Q	I Bozoljac	77	6
		J Baker	3	1											LL	M McClune	64	2
	WC	R Ginepri	6	6				WC	R Ginepri	1	64
		A Kuznetsov	4	6	62			LL	M McClune	6	77
	LL	M McClune	6	2	77																	Q	I Bozoljac	6	2	4
	7	I van der Merwe	4	61																			R Farah	4	6	6
		A Weintraub	6	77					A Weintraub	62	3
		R Farah	4	6	6				R Farah	77	6
		R Borvanov	6	4	2											R Farah	6	7
		T-h Yang	5	6	63										WC	B Klahn	4	5
	Q	M Reid	7	0	77			Q	M Reid	5	4
	WC	B Klahn	77	6				WC	B Klahn	7	6
	2	I Andreev	63	4

• Main Draw
• Qualifying Draw