Women's singles
2003 NASDAQ-100 Open
Champion	Serena Williams
Runner-up	Jennifer Capriati
Score	4–6, 6–4, 6–1
Draw	96
Seeds	32

Defending champion Serena Williams defeated Jennifer Capriati in a rematch of the previous year's final, 4–6, 6–4, 6–1 to win the women's singles tennis title at the 2003 Miami Open.

Seeds

All seeds received a bye into the second round.

Draw

Finals

	Quarterfinals							Semifinals							Final
	1	Serena Williams	6	6
	Q	Marion Bartoli	1	2
								1	Serena Williams	6	6
								3	Kim Clijsters	4	2
	3	Kim Clijsters	6	6
	9	Jelena Dokić	2	0
															1	Serena Williams	4	6	6
															6	Jennifer Capriati	6	4	1
	12	Chanda Rubin	6	6
	4	Justine Henin-Hardenne	3	2
								12	Chanda Rubin	2	4
								6	Jennifer Capriati	6	6
	6	Jennifer Capriati	4	7	6
	23	Meghann Shaughnessy	6	65	4

Top half

Section 1

	First round							Second round							Third round							Fourth round
								1	S Williams	7	6
		F Schiavone	6	6					F Schiavone	5	1
		B Rittner	3	3											1	S Williams	6	6
	Q	J Janković	64	1											25	T Panova	2	1
		M Irvin	7	6					M Irvin	6	3	3
								25	T Panova	4	6	6
																						1	S Williams	6	6
																							I Tulyaganova	0	4
								19	E Dementieva	5	4
		É Loit	7	2	2				N Pratt	7	6
		N Pratt	5	6	6											N Pratt	6	1	3
		I Tulyaganova	6	6												I Tulyaganova	4	6	6
	Q	T Perebiynis	4	2					I Tulyaganova	6	7
								16	E Bovina	4	5

Section 2

	First round							Second round							Third round							Fourth round
								LL	E Dominikovic	6	61	1
	WC	A Baker	0	0				Q	M Bartoli	4	7	6
	Q	M Bartoli	6	6											Q	M Bartoli	6	7
	Q	M Sánchez Lorenzo	6	6											Q	M Sánchez Lorenzo	2	5
	Q	M-È Pelletier	2	1				Q	M Sánchez Lorenzo	62	6	6
								24	A Stevenson	7	1	2
																						Q	M Bartoli	6
																						7	L Davenport	0	r
								29	I Majoli	2	3
		F Pennetta	2	6	6				F Pennetta	6	6
		A Widjaja	6	4	3											F Pennetta	4	6	1
		T Pisnik	7	2	3										7	L Davenport	6	2	6
		C Torrens Valero	5	6	6				C Torrens Valero	2	1
								7	L Davenport	6	6

Section 3

	First round							Second round							Third round							Fourth round
								3	K Clijsters	6	6
	WC	J Jackson	4	1					YJ Cho	2	2
		YJ Cho	6	6											3	K Clijsters	6	6
		M Matevzic	2	0											27	P Suárez	2	2
		C Black	6	6					C Black	1	0
								27	P Suárez	6	6
																						3	K Clijsters	6	6
																						15	A Pistolesi	1	1
								22	L Raymond	6	6
	Q	C Schaul	6	6				Q	C Schaul	2	4
	WC	P Shuai	4	4											22	L Raymond	6	2	4
		F Zuluaga	6	6											15	A Pistolesi	4	6	6
		A Roesch	1	0					F Zuluaga	2	4
								15	A Pistolesi	6	6

Section 4

	First round							Second round							Third round							Fourth round
								9	J Dokić	7	6
		V Ruano Pascual	3	2					S Kuznetsova	63	1
		S Kuznetsova	6	6											9	J Dokić	6	6
	WC	M Sharapova	63	1											21	N Dechy	3	2
		E Callens	7	6					E Callens	4	3
								21	N Dechy	6	6
																						9	J Dokić	6	6
																							A Molik	1	4
								28	E Likhovtseva	61	6	6
		T Garbin	69	4					S Talaja	7	2	4
		S Talaja	7	7											28	E Likhovtseva	67	3
		B Schett	7	2	63											A Molik	7	6
		A Molik	65	6	7				A Molik	2	7	6
								5	D Hantuchová	6	5	0

Bottom half

Section 5

	First round							Second round							Third round							Fourth round
								8	A Mauresmo	2	6	7
		K Koukalová	6	5	0				M Marrero	6	2	61
	Q	M Marrero	4	7	6										8	A Mauresmo	6	6
		R Grande	2	6	3										26	C Fernández	2	0
		T Poutchek	6	1	6				T Poutchek	5	5
								26	C Fernández	7	7
																						8	A Mauresmo	0	2
																							C Rubin	6	6
								20	S Farina Elia	2	6	4
		K Srebotnik	6	2	6				K Srebotnik	6	3	3r
	WC	T Golovin	1	6	4										20	S Farina Elia	2	2
		J Kruger	6	3	2										12	C Rubin	6	6
	WC	C Gullickson	2	6	6			WC	C Gullickson	2	5
								12	C Rubin	6	7

Section 6

	First round							Second round							Third round							Fourth round
								14	E Daniilidou	6	6
		J Craybas	4	7	2				J Craybas	4	3
	Q	Å Svensson	6	63	0r										14	E Daniilidou	66	3
		M Müller	2	5											Q	M Weingärtner	7	6
	Q	M Weingärtner	6	7				Q	M Weingärtner	6	6
								18	A Coetzer	1	4
																						Q	M Weingärtner	1	2
																						4	J Henin-Hardenne	6	6
								30	T Tansugarn	3	6
		D Chládková	6	6					D Chládková	2	2
		V Zvonareva	4	4											30	T Tansugarn	2	0
		P Wartusch	0	3											4	J Henin-Hardenne	6	6
	Q	V Douchevina	6	6				Q	V Douchevina	3	2
								4	J Henin-Hardenne	6	6

Section 7

	First round							Second round							Third round							Fourth round
								6	J Capriati	7	6
		I Benešová	4	66				Q	A Rodionova	63	2
	Q	A Rodionova	6	7											6	J Capriati	7	6
		D Bedáňová	6	6											31	L Granville	64	0
		S Foretz	3	3					D Bedáňová	2	3
								31	L Granville	6	6
																						6	J Capriati	6	6
																						WC	S Taylor	1	0
								17	A Sugiyama	3	7	6
		D Safina	6	6					D Safina	6	5	2
		A Kournikova	1	4											17	A Sugiyama	6	4	3
	Q	M Washington	7	4	0										WC	S Taylor	2	6	6
	WC	S Taylor	5	6	6			WC	S Taylor	7	6
								11	A Myskina	5	4

Section 8

	First round							Second round							Third round							Fourth round
								13	M Maleeva	6	6
		M Tu	6	64	7				M Tu	2	1
	WC	B Mattek	1	7	64										13	M Maleeva	4	4
		A Jidkova	6	7											23	M Shaughnessy	6	6
		A Barna	4	66					A Jidkova	6	4	3
								23	M Shaughnessy	4	6	6
																						23	M Shaughnessy	7	6
																						2	V Williams	62	1
								32	M-G Mikaelian	3	2
		V Razzano	4	0					E Gagliardi	6	6
		E Gagliardi	6	6												E Gagliardi	3	2
		S Asagoe	6	6											2	V Williams	6	6
		M Serna	4	4					S Asagoe	3	1
								2	V Williams	6	6

External links

• Draw