Women's singles
2004 Estoril Open
Champion	Émilie Loit
Runner-up	Iveta Benešová
Score	7–5, 7–6(7–1)

Magüi Serna was the defending champion, but did not compete this year.

Émilie Loit won the title by defeating Iveta Benešová 7–5, 7–6^(7–1) in the final. It was the 2nd title in the year for Loit and the 8th title in her singles career.

Seeds

Draw

Finals

	Semifinals							Final
		Marta Marrero	4	4
	3	Émilie Loit	6	6
								3	Émilie Loit	7	77
								6	Iveta Benešová	5	61
	6	Iveta Benešová	6	7
		Stéphanie Cohen-Aloro	3	5

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	E Bovina	6	6
	WC	I Majoli	4	2				1	E Bovina	78	4	3
		M Marrero	6	6					M Marrero	66	6	6
		V Németh	1	1												M Marrero	6	6
	Q	AL Grönefeld	6	6											5	B Schett	0	2
		Ľ Kurhajcová	1	2				Q	AL Grönefeld	5	5
	Q	M Ani	1	710	4			5	B Schett	7	7
	5	B Schett	6	68	6																		M Marrero	4	4
	3	É Loit	6	6																		3	É Loit	6	6
		E Callens	2	2				3	É Loit	6	6
		Ľ Cervanová	3	6	6				Ľ Cervanová	2	0
		E Gagliardi	6	2	4										3	É Loit	6	2	6
		T Garbin	7	2	3											K Koukalová	3	6	4
		K Koukalová	5	6	6				K Koukalová	6	6
		R Grande	77	3	5			7	K Srebotnik	3	4
	7	K Srebotnik	64	6	7

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	I Benešová	77	6
	Q	N Gussoni	64	3				6	I Benešová	1	6	6
		F Pennetta	6	6					F Pennetta	6	3	4
		Å Svensson	1	3											6	I Benešová	6	6
	WC	N Silva	3	77	710										4	D Chládková	2	2
	Q	J Schruff	6	65	68			WC	N Silva	2	1
		Y Beygelzimer	3	2				4	D Chládková	6	6
	4	D Chládková	6	6																		6	I Benešová	6	7
	8	M Bartoli	3	3																			S Cohen-Aloro	3	5
		ME Camerin	6	6					ME Camerin	2	4
		M Suchá	6	6					M Suchá	6	6
		Z Ondrášková	1	2												M Suchá	6	4	4
		S Kleinová	2	77	0											S Cohen-Aloro	3	6	6
		S Cohen-Aloro	6	64	6				S Cohen-Aloro	7	7
		H Nagyová	3	6	77				H Nagyová	5	5
	2	A Molik	6	3	63

References

• Main and qualifying rounds