Svetlana Kuznetsova was the defending champion, but chose not to participate in 2003.

Elena Dementieva won the title. She defeated Chanda Rubin in the final with the loss of just three games.^[1][2][3]

	Semifinals							Final
	1	Chanda Rubin	6	6
		Saori Obata	4	3
								1	Chanda Rubin	2	1
								2	Elena Dementieva	6	6
		María Vento-Kabchi	2	5
	2	Elena Dementieva	6	7

	First round							Second round							Quarterfinals							Semifinals
								1	C Rubin	6	6
		S Taylor	1	4					M Sánchez Lorenzo	2	2
		M Sánchez Lorenzo	6	6											1	C Rubin	6	6
		A Barna	7	7												A Barna	2	2
	WC	W Prakusya	5	64					A Barna	6	1	6
		J Craybas	6	63	2			8	Y-j Cho	3	6	3
	8	Y-j Cho	4	7	6																	1	C Rubin	6	6
	4	J Dokić	5	3																			S Obata	4	3
		T Garbin	7	6					T Garbin	5	3
		A Widjaja	7	4	7				A Widjaja	7	6
		D Safina	64	6	5											A Widjaja	6	5	1
		B Schett	62	7	7											S Obata	4	7	6
		A Morigami	7	5	65				B Schett	1	1
		S Obata	6	6					S Obata	6	6
	9	A Harkleroad	3	2

	First round							Second round							Quarterfinals							Semifinals
	7	É Loit	64	5
	Q	I Abramović	7	7				Q	I Abramović	1	5
		E Gagliardi	6	6					E Gagliardi	6	7
	WC	C Morariu	4	3												E Gagliardi	6	1	1
	Q	R de los Ríos	4	4												M Vento-Kabchi	1	6	6
		M Vento-Kabchi	6	6					M Vento-Kabchi	6	6
	Q	A Parra	1	65				3	C Martínez	1	3
	3	C Martínez	6	7																			M Vento-Kabchi	2	5
	5	T Tanasugarn	6	6																		2	E Dementieva	6	7
		N Pratt	0	0				5	T Tanasugarn	6	6
		F Pennetta	3	2				Q	J Zheng	4	3
	Q	J Zheng	6	6											5	T Tanasugarn	4	2
		A-L Grönefeld	6	64	6										2	E Dementieva	6	6
	LL	T Sun	4	7	1				A-L Grönefeld	4	1
								2	E Dementieva	6	6