Doubles
2013 Knoxville Challenger
Champions	Samuel Groth John-Patrick Smith
Runners-up	Carsten Ball Peter Polansky
Score	6–7(6–8), 6–2, [10–7]

Alex Kuznetsov and Mischa Zverev were the defending champions, but Zverev chose not to compete.
Kuznetsov partnered with Denys Molchanov but lost to eventual champion Samuel Groth and John-Patrick Smith in the semifinals, who also defeated Carsten Ball and Peter Polansky in the final.

Seeds

Draw

Draw

	First round							Quarterfinals							Semifinals							Final
	1	S Groth J-P Smith	6	6
	Q	S Myneni S Singh	3	4				1	S Groth J-P Smith	w/o
	WC	Jarryd Chaplin Andrew Dromsky	3	4					R Harrison D Kudla
		R Harrison D Kudla	6	6											1	S Groth J-P Smith	6	6
	3	R de Voest R Ram	6	7												A Kuznetsov D Molchanov	0	2
	WC	J Jenkins D Novikov	1	5				3	R de Voest R Ram	0	3
		D Rice S Thornley	6	3	[9]				A Kuznetsov D Molchanov	6	6
		A Kuznetsov D Molchanov	3	6	[11]																	1	S Groth J-P Smith	66	6	[10]
		K King J Sock	4	61																			C Ball P Polansky	77	2	[7]
		C Ball P Polansky	6	77					C Ball P Polansky	6	6
	WC	E King Dennis Nevolo	66	1				4	J Cluskey M Neuchrist	0	2
	4	J Cluskey M Neuchrist	78	6												C Ball P Polansky	6	77
		S Johnson T Smyczek	6	6											2	A Krajicek T Sandgren	3	63
	PR	T Angelinos Laurent Rochette	1	3					S Johnson T Smyczek	61	4
		Milan Pokrajac D Zivkovic	6	2	[8]			2	A Krajicek T Sandgren	77	6
	2	A Krajicek T Sandgren	2	6	[10]

References

• Main Draw
• Qualifying Draw