Singles
2011 Heineken Open
Champion	David Ferrer
Runner-up	David Nalbandian
Score	6–3, 6–2
Draw	28 (4 Q / 3 WC )
Seeds	8

John Isner was the defending champion but lost in the quarterfinals to David Nalbandian. David Ferrer won the title, defeating Nalbandian 6–3, 6–2 in the final.

Seeds

The top four seeds receive a bye to the second round.

Qualifying

Draw

Finals

	Semifinals							Final
	1	David Ferrer	6	7
		Santiago Giraldo	3	5
								1	David Ferrer	6	6
								6	David Nalbandian	3	2
	6	David Nalbandian	6	6
	2/WC	Nicolás Almagro	4	2

Top half

	First round							Second round							Quarterfinals							Semifinals
								1	D Ferrer	3	7	6
	Q	P Riba	3	4					T Kamke	6	61	4
		T Kamke	6	6											1	D Ferrer	6	64	6
	Q	B Reynolds	4	3											8	P Kohlschreiber	3	7	3
		M Granollers	6	6					M Granollers	4	6	2
		C Berlocq	6	3	1			8	P Kohlschreiber	6	3	6
	8	P Kohlschreiber	2	6	6																	1	D Ferrer	6	7
																							S Giraldo	3	5
								4	A Montañés	3	6	4
		S Giraldo	6	6					S Giraldo	6	4	6
		D Gimeno Traver	2	4												S Giraldo	6	6
	WC	M Venus	7	3	0										7	T Bellucci	2	4
		T Robredo	66	6	6				T Robredo	4	6	1
	Q	M Russell	4	7	5			7	T Bellucci	6	3	6
	7	T Bellucci	6	64	7

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	D Nalbandian	7	6
		F Fognini	63	4				6	D Nalbandian	6	6
		T de Bakker	1	7	63				P Petzschner	3	2
		P Petzschner	6	65	7										6	D Nalbandian	6	7
		R Haase	3	7	7										3	J Isner	4	63
		P Cuevas	6	63	63				R Haase	6	64	5
								3	J Isner	3	7	7
																						6	D Nalbandian	6	6
	5	J Mónaco	4	3																		2/WC	N Almagro	4	2
	Q	A Mannarino	6	6				Q	A Mannarino	7	6
	WC	A Clément	4	6	7			WC	A Clément	5	4
		X Malisse	6	2	5										Q	A Mannarino	63	7	2
		V Hănescu	7	63	6										2/WC	N Almagro	7	61	6
		K Anderson	67	7	4				V Hănescu	4	63
								2/WC	N Almagro	6	7

External links

• Main draw