Women's singles
2011 Open Seguros Bolívar
Champion	Mariana Duque
Runner-up	María Fernanda Álvarez Terán
Score	7–6(8–6), 4–6, 6–3

Paula Ormaechea was the defending champion, but chose not to participate.

Mariana Duque won the title, defeating María Fernanda Álvarez Terán 7–6^(8–6), 4–6, 6–3 in the final.

Seeds

Main draw

Finals

	Semifinals							Final
	6	Andrea Gámiz	3	1
	5	Mariana Duque	6	6
								5	Mariana Duque	78	4	6
								2	María Fernanda Álvarez Terán	66	6	3
		Sachia Vickery	1	5
	2	María Fernanda Álvarez Terán	6	7

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	J Cohen	6	6
		D Mills	3	1				1	J Cohen	6	6
		I Robbiani	6	6					I Robbiani	2	2
	WC	M Gómez	2	0											1	J Cohen	6	3	0
		S Theiler	1	64											6	A Gámiz	4	6	6
	Q	PC Robles Garcia	6	77				Q	PC Robles Garcia	0	3
	Q	C Tobar	1	0				6	A Gámiz	6	6
	6	A Gámiz	6	6																		6	A Gámiz	3	1
	4	A Koch-Benvenuto	6	0	6																	5	M Duque	6	6
		C Zeballos	3	6	1			4	A Koch-Benvenuto	6	6
		A Moreno-Kaste	1	7	2			WC	V Corning	3	3
	WC	V Corning	6	5	6										4	A Koch-Benvenuto	1	1
	WC	L Muma	6	6											5	M Duque	6	6
	Q	R Beddow	2	2				WC	L Muma	1	0
		L Sarmenti	1	0				5	M Duque	6	6
	5	M Duque	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	K Castiblanco	6	6
	Q	LS Sánchez Pérez	0	0				7	K Castiblanco	6	7
	Q	D Woodcock	1	3				WC	A Prisco	2	5
	WC	A Prisco	6	6											7	K Castiblanco	3	6	2
		S Vickery	6	6												S Vickery	6	3	6
	Q	A Riley	1	3					S Vickery	6	3	7
		C Lucero	4	2				3	V Segnini	3	6	5
	3	V Segnini	6	6																			S Vickery	1	5
	8	A Pérez	6	6																		2	MF Álvarez Terán	6	7
		I Várgas Calvo	0	2				8	A Pérez	6	3	6
		MF Alves	6	6					MF Alves	4	6	1
	Q	P Cortes	2	2											8	A Pérez	6	0	3
	LL	M Cubelli	6	6											2	MF Álvarez Terán	3	6	6
	Q	M Irazusta	2	1				LL	M Cubelli	1	0
		C Forte	5	1				2	MF Álvarez Terán	6	6
	2	MF Álvarez Terán	7	6

References

• Main draw
• Qualifying draw