Singles
2009 Comerica Bank Challenger
Champion	Chris Guccione
Runner-up	Nick Lindahl
Score	6–3, 6–4

Kevin Kim was the defending champion; however, he was eliminated by Takao Suzuki already in the first round.
Chris Guccione defeated Nick Lindahl in the final 6–3, 6–4.

Seeds

Draw

Final four

	Semifinals							Final
	Q	Nick Lindahl	6	6
		Michael Yani	3	2
								Q	Nick Lindahl	3	4
								7	Chris Guccione	6	6
	7	Chris Guccione	6	6
	6	Somdev Devvarman	2	1

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	K Kim	5	3
		T Suzuki	7	6				Q	T Suzuki	61	1
	WC	P Simmonds	610	5					KT Im	7	6
		KT Im	7	7												KT Im	3	3
	Q	N Lindahl	64	6	7										Q	N Lindahl	6	6
		R Sweeting	7	4	67			Q	N Lindahl	6	7
		A Stoppini	6	6					A Stoppini	4	5
	8	D Young	4	4																		Q	N Lindahl	6	6
	4	D Udomchoke	4	6	3																		M Yani	3	2
		M Yani	6	3	6				M Yani	6	61	7
		R DeHeart	3	6	6				R DeHeart	3	7	62
		C Ball	6	1	4											M Yani	6	6
		M Matosevic	6	6												M Matosevic	4	4
	WC	B Weston	4	4					M Matosevic	7	6
		A Bogomolov Jr.	6	3	7				A Bogomolov Jr.	5	2
	5	A Clément	4	6	610

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	C Guccione	6	7
		G Soeda	4	65				7	C Guccione	6	6
		S Groth	7	3	62			Q	Y Sugita	2	3
	Q	Y Sugita	5	6	7										7	C Guccione	7	2	7
		X Malisse	6	6											3	W Odesnik	65	6	62
		T Widom	3	2					X Malisse	4	6	5
	Q	T Kamke	6	2	5			3	W Odesnik	6	3	7
	3	W Odesnik	1	6	7																	7	C Guccione	6	6
	6	S Devvarman	7	6																		6	S Devvarman	2	1
	WC	L Cook	67	2				6	S Devvarman	6	6
		S Jenkins	4	6	61			WC	A Kuznetsov	1	3
	WC	A Kuznetsov	6	1	7										6	S Devvarman	6	6
		R de Voest	66	3	r											I van der Merwe	4	2
		I van der Merwe	7	4					I van der Merwe	6	6
		S Stadler	7	7					S Stadler	3	4
	2	F Cipolla	63	5

References

• Main Draw
• Qualifying Draw