Singles
2003 Acura Classic
Final
Champion	Justine Henin-Hardenne
Runner-up	Kim Clijsters
Score	3–6, 6–2, 6–3
Details
Draw	48 (4WC/4Q/3LL)
Seeds	16
Events
Singles Doubles
← 2002 · Southern California Open · 2004 →

Venus Williams was the defending champion, but did not compete this year.

Justine Henin-Hardenne won the title by defeating Kim Clijsters 3–6, 6–2, 6–3 in the final.^[1][2]

All seeds received a bye into the second round.

	Quarterfinals							Semifinals							Final
		Svetlana Kuznetsova	6	6
		Elena Likhovtseva	2	3
									Svetlana Kuznetsova	1	3
								3	Justine Henin-Hardenne	6	6
	3	Justine Henin-Hardenne	6	6
		Nadia Petrova	0	2
															3	Justine Henin-Hardenne	3	6	6
															2	Kim Clijsters	6	2	3
	6	Chanda Rubin	3	3
	4	Lindsay Davenport	6	6
								4	Lindsay Davenport	3	3
								2	Kim Clijsters	6	6
		Lisa Raymond	2	2
	2	Kim Clijsters	6	6

	First round							Second round							Third round							Quarterfinals
								LL	M Tu	3	6	63
		S Kuznetsova	6	6					S Kuznetsova	6	4	77
	WC	Leslie Koffi	2	1												S Kuznetsova	77	6
	LL	N Pratt	6	4	6										16	E Bovina	64	2
		T Tanasugarn	3	6	4			LL	N Pratt	6	3	2
								16	E Bovina	4	6	6
																							S Kuznetsova	6	6
																							E Likhovtseva	2	3
								10	M Maleeva	6	6
		A Molik	4	6	6				A Molik	1	3
	WC	A Haynes	6	2	1										10	M Maleeva	4	3
		E Likhovtseva	6	6												E Likhovtseva	6	6
	Q	S Asagoe	3	1					E Likhovtseva	4
								5	J Capriati	1r

	First round							Second round							Third round							Quarterfinals
								3	J Henin-Hardenne	6	6
		R Grande	5	3					E Daniilidou	1	1
		E Daniilidou	7	6											3	J Henin-Hardenne	4	6	6
	WC	J Husárová	5	1											13	E Dementieva	6	4	1
		F Schiavone	7	6					F Schiavone	66	2
								13	E Dementieva	78	6
																						3	J Henin-Hardenne	6	6
																							N Petrova	0	2
								12	A Coetzer	3	3
		N Petrova	6	3					N Petrova	6	6
		MG Mikaelian	1	0r												N Petrova	6	6
		K Srebotnik	6	6											7	D Hantuchová	1	3
		Y-j Cho	3	0					K Srebotnik	6	5	66
								7	D Hantuchová	3	7	78

	First round							Second round							Third round							Quarterfinals
								6	C Rubin	7	6
		T Pisnik	6	3	7				T Pisnik	5	0
		P Suárez	2	6	5										6	C Rubin	1	6	6
		M Serna	6	6											9	J Dokic	6	3	4
		L Granville	3	3					M Serna	6	2	3
								9	J Dokic	2	6	6
																						6	C Rubin	3	3
																						4	L Davenport	6	6
								15	S Farina Elia	2	2
		L Krasnoroutskaya	6	6					L Krasnoroutskaya	6	6
	LL	S Obata	4	3												L Krasnoroutskaya	0	62
		M Sánchez Lorenzo	5	63											4	L Davenport	6	77
		A Frazier	7	77					A Frazier	3	1
								4	L Davenport	6	6

	First round							Second round							Third round							Quarterfinals
								8	A Sugiyama	0	6	4
		B Schett	4	6	5				L Raymond	6	2	6
		L Raymond	6	2	7											L Raymond	77	6
	WC	M Pierce	6	6											WC	M Pierce	65	4
	Q	V Razzano	1	3				WC	M Pierce	6	6
								11	C Martínez	1	3
																							L Raymond	2	2
																						2	K Clijsters	6	6
								14	M Shaughnessy	6	65	5
		M Bartoli	77	6					M Bartoli	3	77	7
	Q	M Irvin	62	4												M Bartoli	1	1
	Q	A Jidkova	6	2	4										2	K Clijsters	6	6
		V Ruano Pascual	2	6	6				V Ruano Pascual	2	0
								2	K Clijsters	6	6

• Official results archive (ITF)
• Official results archive (WTA)