Singles
2004 Hamburg Masters
Final
Champion	Roger Federer
Runner-up	Guillermo Coria
Score	4–6, 6–4, 6–2, 6–3
Details
Draw	64
Seeds	16
Events
Singles Doubles
← 2003 · Hamburg Masters · 2005 →

Roger Federer defeated the defending champion Guillermo Coria in the final, 4–6, 6–4, 6–2, 6–3 to win the singles tennis title at the 2004 Hamburg European Open.

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.

	Semifinals							Final
	1	Roger Federer	6	6
	17	Lleyton Hewitt	0	4
								1	Roger Federer	4	6	6	6
								2	Guillermo Coria	6	4	2	3
		Ivan Ljubičić	6	1	4
	2	Guillermo Coria	3	6	6

	First round							Second round							Third round							Quarterfinals
	1	R Federer	6	5	6
		G Gaudio	1	7	4			1	R Federer	6	6
		F Volandri	4	1					N Lapentti	3	3
		N Lapentti	6	6											1	R Federer	7	6
	Q	J Knowle	6	6											13	F González	5	1
		R Ginepri	1	3				Q	J Knowle	6	4	2
		F López	64	4				13	F González	0	6	6
	13	F González	77	6																		1	R Federer	6	6
	10	M Philippoussis	65	1																		7	C Moyà	4	3
		J Johansson	77	6					J Johansson	64	1
		F Verdasco	77	79					F Verdasco	77	6
		G Cañas	63	67												F Verdasco	4	6	4
		A Martín	4	6	6										7	C Moyà	6	3	6
		H Arazi	6	2	2				A Martín	2	3
		D Sánchez	5	4				7	C Moyà	6	6
	7	C Moyà	7	6

	First round							Second round							Third round							Quarterfinals
	17	L Hewitt	6	77
		J Björkman	0	65				17	L Hewitt	6	7
		V Spadea	0	r				WC	T Haas	4	5
	WC	T Haas	6												17	L Hewitt	6	2	6
		F Saretta	77	77												F Saretta	4	6	4
	WC	M Abel	64	63					F Saretta	6	6
	LL	Ó Hernández	5					LL	Ó Hernández	4	3
	14	S Schalken	1r																			17	L Hewitt	6	6
	9	N Massú	3	0																			J Melzer	4	3
		J Melzer	6	6					J Melzer	6	6
		J I Chela	0	6	61				I Labadze	1	0
		I Labadze	6	3	77											J Melzer	6	6
		S Sargsian	6	6												M Safin	4	4
		N Davydenko	2	4					S Sargsian	6	3	3
		M Safin	78	7					M Safin	4	6	6
	8	S Grosjean	66	5

	First round							Second round							Third round							Quarterfinals
	5	T Henman	7	1	6
	Q	A Seppi	5	6	3			5	T Henman	2	2
		A Pavel	6	7					A Pavel	6	6
	Q	C Saulnier	2	5												A Pavel	6	4	3
		V Hănescu	79	3	6											I Ljubičić	4	6	6
		M Mirnyi	67	6	3				V Hănescu	0	6	63
		I Ljubičić	7	77					I Ljubičić	6	3	77
	12	M Verkerk	5	64																			I Ljubičić	4	7	6
	15	J Novák	65	6	4																		M Youzhny	6	5	1
	WC	F Mayer	77	3	6			WC	F Mayer	6	6
	Q	A Portas	7	6				Q	A Portas	3	4
	Q	À Corretja	5	4											WC	F Mayer	0	64
		M Youzhny	6	62	6											M Youzhny	6	77
		N Kiefer	4	77	2				M Youzhny	7	7
	WC	L Burgsmüller	6	65	6			WC	L Burgsmüller	5	5
	4	R Schüttler	4	77	4

	First round							Second round							Third round							Quarterfinals
	6	D Nalbandian	2	3
		D Ferrer	6	6					D Ferrer	6	6
		D Hrbatý	2	6	6				D Hrbatý	0	3
	Q	T Ascione	6	3	4											D Ferrer	5	6	6
		Á Costa	6	6												Á Costa	7	4	3
		X Malisse	3	4					Á Costa	7	6
	Q	O Rochus	6	6				Q	O Rochus	5	4
	11	P Srichaphan	3	4																			D Ferrer	2	2
	16	T Robredo	6	6																		2	G Coria	6	6
		A Dupuis	2	0				16	T Robredo	6	6
		R Söderling	6	1	4				M Zabaleta	4	2
		M Zabaleta	3	6	6										16	T Robredo	62	4
		A Clément	2	3											2	G Coria	77	6
		L Horna	6	6					L Horna	2	6	2
	Q	N Almagro	6	4	5			2	G Coria	6	3	6
	2	G Coria	3	6	7

• 2004 Hamburg Masters draw
• 2004 Hamburg Masters qualifying draw