Singles
2011 Knoxville Challenger
Champion	Jesse Levine
Runner-up	Brian Baker
Score	6–2, 6–3

Kei Nishikori was the defending champion but decided not to participate.
Jesse Levine won the title, defeating Brian Baker 6–2, 6–3 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	Alt	Jamie Baker	1	7	4
	Q	Brian Baker	6	5	6
								Q	Brian Baker	2	3
								SE	Jesse Levine	6	6
	SE	Jesse Levine	77	6
	Q	Mirza Bašić	63	3

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	M Russell	77	6
		R Klaasen	63	2				1	M Russell	6	7
	Q	S Johnson	64	6	7			Q	S Johnson	4	5
		C Guccione	77	4	5										1	M Russell	6	1	4
	Alt	J Baker	6	3											Alt	J Baker	3	6	6
		D Molchanov	3	1d				Alt	J Baker	6	64	77
	WC	T Sandgren	4	2				7	M Yani	4	77	64
	7	M Yani	6	6																		Alt	J Baker	1	7	4
	4	I van der Merwe	6	77																		Q	B Baker	6	5	6
		V Estrella	3	65				4	I van der Merwe	2	3
		D Matsukevich	2	2				Q	B Baker	6	6
	Q	B Baker	6	6											Q	B Baker	4	6	78
	WC	D Kudla	62	0											6	U Ignatik	6	3	66
		V Millot	77	6					V Millot	2	68
	Q	D Kutrovsky	4	66				6	U Ignatik	6	710
	6	U Ignatik	6	78

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	V Pospisil	4	6	6
	WC	R Williams	6	1	4			5	V Pospisil	6	6
		F Nielsen	6	77					F Nielsen	1	2
		R Borvanov	3	65											5	V Pospisil	5	4
		A Kuznetsov	78	63	5										SE	J Levine	7	6
	SE	J Levine	66	77	7			SE	J Levine	6	6
		É Chvojka	3	3				3	R de Voest	0	2
	3	R de Voest	6	6																		SE	J Levine	77	6
	8	G Jones	7	4	3																	Q	M Bašić	63	3
		H Heliövaara	5	6	6				H Heliövaara	77	79
		F Wolmarans	4	64				Alt	P-L Duclos	63	67
	Alt	P-L Duclos	6	77												H Heliövaara	3	4
		A Delić	7	5	6										Q	M Bašić	6	6
	WC	J-P Smith	5	7	3				A Delić	6	3	2
	Q	M Bašić	6	6				Q	M Bašić	3	6	6
	2	B Reynolds	3	3

References

• Main Draw
• Qualifying Draw