Singles
2011 Delray Beach International Tennis Championships
Final
Champion	Juan Martín del Potro
Runner-up	Janko Tipsarević
Score	6–4, 6–4
Details
Draw	32
Seeds	8
Events
Singles Doubles
← 2010 · Delray Beach Open · 2012 →

Ernests Gulbis was the defending champion but decided to participate in the 2011 Dubai Tennis Championships instead.
Juan Martín del Potro won this tournament, by defeating Janko Tipsarević 6–4, 6–4 in the final.

	Semifinals							Final
	6	Janko Tipsarević	6	6
		Kei Nishikori	4	4
								6	Janko Tipsarević	4	4
								SE	Juan Martín del Potro	6	6
	SE	Juan Martín del Potro	6	7
	2	Mardy Fish	1	5

	First round							Second round							Quarterfinals							Semifinals
	Q	M Matosevic	6	1	2
		D Sela	3	6	6				D Sela	6	3	2
	LL	I Kunitsyn	4	6	3				I Dodig	2	6	6
		I Dodig	6	2	6											I Dodig	60	1
	LL	R Farah	1	4											6	J Tipsarević	7	6
	Q	B Kavčič	6	6				Q	B Kavčič	2	7	3
		I Karlović	614	61				6	J Tipsarević	6	68	6
	6	J Tipsarević	7	7																		6	J Tipsarević	6	6
	3/WC	S Querrey	6	5	6																		K Nishikori	4	4
		D Brown	3	7	3			3/WC	S Querrey	65	4
	Q	R Sweeting	6	6				Q	R Sweeting	7	6
		I Andreev	2	3											Q	R Sweeting	7	2	4
		B Dabul	2	65												K Nishikori	65	6	6
		K Nishikori	6	7					K Nishikori	6	6
	WC	J Blake	7	6				WC	J Blake	3	4
	7	B Becker	5	4

	First round							Second round							Quarterfinals							Semifinals
	5	K Anderson	65	7	6
	LL	D Young	7	64	2			5	K Anderson	6	6
		F Serra	3	6	7				F Serra	1	4
	WC	R Harrison	6	3	5										5	K Anderson	4	4
		R Berankis	4	1											SE	JM del Potro	6	6
	SE	JM del Potro	6	6				SE	JM del Potro	6	6
		T Gabashvili	6	5	7				T Gabashvili	1	1
	4	J Isner	4	7	613																	SE	JM del Potro	6	7
	8	A Mannarino	1	7	6																	2	M Fish	1	5
		L Mayer	6	63	4			8	A Mannarino	3	2
	Q	A Falla	6	2				Q	A Falla	6	6
	LL	J Hájek	1	0	r										Q	A Falla	1	4
		R Mello	2	6	6										2	M Fish	6	6
		R Schüttler	6	2	3				R Mello	2	1
		B Phau	0	r				2	M Fish	6	6
	2	M Fish	5

• Main draw
• Qualifying draw