Singles
2011 Atlanta Tennis Championships
Final
Champion	Mardy Fish
Runner-up	John Isner
Score	3–6, 7–6(8–6), 6–2
Details
Draw	28 (4 Q / 3 WC )
Seeds	8
Events
Singles Doubles
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Mardy Fish was the defending champion, and in a repeat of the previous year's final, he successfully defended his title by defeating his compatriot John Isner after dropping the opening set. This time the score was 3–6, 7–6^(8–6), 6–2.

Seeds

The top four seeds received a bye into the second round.

Qualifying

Draw

Key

Finals

	Semifinals							Final
	1	Mardy Fish	6	6
		Ryan Harrison	2	4
								1	Mardy Fish	3	78	6
								3	John Isner	6	66	2
	3	John Isner	7	63	6
		Gilles Müller	5	77	1

Top half

	First round							Second round							Quarterfinals							Semifinals
								1	M Fish	6	6
		R Berankis	65	2					N Mahut	3	3
		N Mahut	77	6											1	M Fish	6	6
		M Berrer	66	4											8	S Devvarman	4	3
		T Ito	78	6					T Ito	1	3
		R Sweeting	4	6	4			8	S Devvarman	6	6
	8	S Devvarman	6	3	6																	1	M Fish	6	6
																							R Harrison	2	4
								4	X Malisse	77	4	4
	Q	Y Sugita	1	65					R Harrison	63	6	6
		R Harrison	6	77												R Harrison	4	6	77
		L Hewitt	6	6											Q	R Ram	6	1	65
	Q	P Simmonds	4	4					L Hewitt	5	6	2
	Q	R Ram	6	6				Q	R Ram	7	2	6
	5	G Dimitrov	4	4

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	I Kunitsyn	77	2	5
	Q	M Matosevic	63	6	7			Q	M Matosevic	6	1	2
		Y-h Lu	7	77					Y-h Lu	3	6	6
		M Bachinger	5	64												Y-h Lu	1	2
		J Blake	5	77	6										3	J Isner	6	6
		E Gulbis	7	65	2				J Blake	68	77	5
								3	J Isner	710	63	7
																						3	J Isner	7	63	6
	7	A Bogomolov Jr.	3	66																			G Müller	5	77	1
		G Müller	6	78					G Müller	78	2	6
	WC	T Haas	4	5				WC	R Ginepri	66	6	2
	WC	R Ginepri	6	7												G Müller	77	77
	WC	D Young	0	3											2	K Anderson	63	63
		M Russell	6	6					M Russell	1	5
								2	K Anderson	6	7