Women's singles
2009 Sony Ericsson Open
Final
Champion	Victoria Azarenka
Runner-up	Serena Williams
Score	6–3, 6–1
Details
Draw	96
Seeds	32
Events
Singles men women Doubles men women
← 2008 · Sony Ericsson Open · 2010 →

Victoria Azarenka defeated the two-time defending champion Serena Williams in the final, 6–3, 6–1 to win the women's singles tennis title at the 2009 Miami Open. It was her third WTA Tour singles title, and first at the Premier or above level.^[1]

All seeds received a bye into the second round.

	Quarterfinals							Semifinals							Final
	1	Serena Williams	4	77	6
		Li Na	6	61	2
								1	Serena Williams	6	3	6
								5	Venus Williams	4	6	3
	26	Iveta Benešová	1	4
	5	Venus Williams	6	6
															1	Serena Williams	3	1
															11	Victoria Azarenka	6	6
	8	Svetlana Kuznetsova	6	65	6
	13	Caroline Wozniacki	4	77	1
								8	Svetlana Kuznetsova	3	6	5
								11	Victoria Azarenka	6	2	7
	11	Victoria Azarenka	6	6
		Samantha Stosur	1	0

	First round							Second round							Third round							Fourth round
								1	S Williams	6	6
		T Bacsinszky	4	1				WC	A Glatch	2	3
	WC	A Glatch	6	6											1	S Williams	7	6
		P Parmentier	1	5											32	S Peng	5	2
	PR	M Santangelo	6	7				PR	M Santangelo	5	3
								32	S Peng	7	6
																						1	S Williams	7	5	6
																						17	J Zheng	5	7	3
								17	J Zheng	6	6
		V Razzano	4	6	64			Q	J Görges	4	2
	Q	J Görges	6	4	77										17	J Zheng	6	6
		K Knapp	62	3											14	A Cornet	4	0
		B Záhlavová-Strýcová	77	6					B Záhlavová-Strýcová	4	64
								14	A Cornet	6	77

	First round							Second round							Third round							Fourth round
								9	N Petrova	3	6	6
	Q	A Morita	6	4	63			Q	M Krajicek	6	4	2
	Q	M Krajicek	1	6	77										9	N Petrova	5	1
		E Makarova	3	6	6											E Makarova	7	6
		Y-j Chan	6	2	3				E Makarova	6	6
								23	A Sugiyama	3	4
																							E Makarova	77	2	2
																							N Li	63	6	6
								29	A Wozniak	5	3
	Q	U Radwańska	4	7	1				N Li	7	6
		N Li	6	5	6											N Li	6	3	6
		T Garbin	6	6											6	V Zvonareva	4	6	2
		K Zakopalová	3	4					T Garbin	4	1
								6	V Zvonareva	6	6

	First round							Second round							Third round							Fourth round
								3	J Janković	4	65
		G Dulko	6	6					G Dulko	6	77
		L Domínguez Lino	2	4												G Dulko	3	2
		S Lisicki	6	6											26	I Benešová	6	6
		P Kvitová	2	4					S Lisicki	2	4
								26	I Benešová	6	6
																						26	I Benešová	6	6
																						19	A Medina Garrigues	4	1
								19	A Medina Garrigues	77	6
		A Kudryavtseva	6	78					A Kudryavtseva	63	4
	Q	M Duque Marino	4	66											19	A Medina Garrigues	77	1	5
		M Erakovic	0	2											16	D Cibulková	64	6	5r
	Q	K Šprem	6	6				Q	K Šprem	4	3
								16	D Cibulková	6	6

	First round							Second round							Third round							Fourth round
								10	A Radwańska	4	6	6
		T Tanasugarn	6	7					T Tanasugarn	6	3	2
		N Dechy	3	5											10	A Radwańska	6	6
		MJ Martínez Sánchez	6	6											21	K Kanepi	4	3
		Y Wickmayer	0	4					MJ Martínez Sánchez	6	4	5
								21	K Kanepi	4	6	7
																						10	A Radwańska	6	1	4
																						5	V Williams	4	6	6
								30	S Errani	4	3
	Q	J Craybas	4	1					A-L Grönefeld	6	6
		A-L Grönefeld	6	6												A-L Grönefeld	5	3
	WC	T Hendler	1	65											5	V Williams	7	6
		S Pe'er	6	77					S Pe'er	3	3
								5	V Williams	6	6

	First round							Second round							Third round							Fourth round
								8	S Kuznetsova	2	7	6
		M Niculescu	5	2				Q	T Paszek	6	5	1
	Q	T Paszek	7	6											8	S Kuznetsova	6	6
		N Vaidišová	6	6												N Vaidišová	1	4
	Q	P Mayr	4	2					N Vaidišová	6	6
								28	A Bondarenko	1	0
																						8	S Kuznetsova	6	6
																						24	A Kleybanova	2	1
								24	A Kleybanova	6	6
		G Voskoboeva	6	6					G Voskoboeva	2	4
		V Dushevina	4	4											24	A Kleybanova	6	3	6
	Q	A Yakimova	6	6											Q	A Yakimova	3	6	4
		O Govortsova	2	1				Q	A Yakimova	6	6
								12	M Bartoli	4	3

	First round							Second round							Third round							Fourth round
								13	C Wozniacki	6	5	6
		E Gallovits	3	65				WC	J Dokić	3	7	2
	WC	J Dokić	6	77											13	C Wozniacki	6	6
		L Šafářová	6	7											18	P Schnyder	4	4
		A Keothavong	4	5					L Šafářová	6	1	4
								18	P Schnyder	4	6	6
																						13	C Wozniacki	7	6
																						4	E Dementieva	5	4
								31	C Suárez Navarro	3	6	77
	WC	C Vandeweghe	0	3					N Llagostera Vives	6	4	63
		N Llagostera Vives	6	6											31	C Suárez Navarro	2	2
	WC	A Pivovarova	77	6											4	E Dementieva	6	6
		B Mattek-Sands	61	3				WC	A Pivovarova	0	6	3
								4	E Dementieva	6	3	6

	First round							Second round							Third round							Fourth round
								7	A Ivanovic	6	6
	Q	M Koryttseva	6	6				Q	M Koryttseva	0	3
		S Cîrstea	2	1											7	A Ivanovic	4	6	1
		F Schiavone	6	5	6										25	Á Szávay	6	4	6
		T Pironkova	3	7	3				F Schiavone	6	4	2
								25	Á Szávay	2	6	6
																						25	Á Szávay	2	4
																						11	V Azarenka	6	6
								22	A Chakvetadze	6	6
	WC	M Oudin	6	3	2				D Hantuchová	3	1
		D Hantuchová	4	6	6										22	A Chakvetadze	1	4
		A Pavlyuchenkova	4	7	6										11	V Azarenka	6	6
	Q	A Rezaï	6	5	3				A Pavlyuchenkova	2	2
								11	V Azarenka	6	6

	First round							Second round							Third round							Fourth round
								15	F Pennetta	6	7
		K Bondarenko	4	6	4				M Kirilenko	4	5
		M Kirilenko	6	0	6										15	F Pennetta	77	2	2
	WC	A Rus	6	3	5										20	A Mauresmo	65	6	6
		M Rybáriková	3	6	7				M Rybáriková	3	6	2
								20	A Mauresmo	6	1	6
																						20	A Mauresmo	4	4
																							S Stosur	6	6
								27	S Bammer	1	1
		S Arvidsson	1	0	r				S Stosur	6	6
		S Stosur	6	2												S Stosur	6	6
		M Johansson	1	77	710										2	D Safina	1	4
	WC	S Mirza	6	62	68				M Johansson	1	3
								2	D Safina	6	6

• Draw and Qualifying Draw