2004 Croatia Open – Singles

Singles
2004 Croatia Open
Champion	Guillermo Cañas
Runner-up	Filippo Volandri
Score	7–5, 6–3
Draw	32 (4 Q / 3 WC )
Seeds	8

Guillermo Cañas defeated Filippo Volandri 7–5, 6–3 to win the singles title at the 2004 Croatia Open.

Carlos Moyá was the defending champion,^[1] but lost in the semifinals to Volandri.

This tournament marked the ATP Tour debut of future 24-time major champion and world No. 1 Novak Djokovic.^[2] He lost in the first round to Volandri after qualifying for the main draw.

	Semifinals							Final
	1	Carlos Moyá	3	2
	4	Filippo Volandri	6	6
								4	Filippo Volandri	5	3
								6	Guillermo Cañas	7	6
	6	Guillermo Cañas	6	6
		Guillermo García López	2	2

	First round							Second round							Quarterfinals							Semifinals
	1	C Moyá	6	6
	WC	R Karanušić	4	4				1	C Moyá	3
	WC	Ž Krajan	6	3	6			WC	Ž Krajan	3r
		J Vaněk	0	6	3										1	C Moyá	6	77
		N Almagro	77	6											5	A Martín	1	62
		T Behrend	64	4					N Almagro	3	1
		J Golmard	2	6	2			5	A Martín	6	6
	5	A Martín	6	4	6																	1	C Moyá	3	2
	4	F Volandri	77	6																		4	F Volandri	6	6
	Q	N Djokovic	65	1				4	F Volandri	7	6
		B Ulihrach	3	1				Q	F Serra	5	0
	Q	F Serra	6	6											4	F Volandri	6	6
		O Mutis	0	2												K Vliegen	2	2
		K Vliegen	6	6					K Vliegen	77	3	6
		O Rochus	6	6					O Rochus	63	6	4
	8	K Kučera	2	2

	First round							Second round							Quarterfinals							Semifinals
	6	G Cañas	6	6
		O Patience	3	2				6	G Cañas	6	6
	Q	S Tuksar	77	4	3			WC	F Vicente	2	1
	WC	F Vicente	65	6	6										6	G Cañas	6	77
		Á Calatrava	6	6												Á Calatrava	2	64
		A Di Pasquale	4	3					Á Calatrava	7	6
		T Zíb	6	6					T Zíb	5	3
	3	I Andreev	3	4																		6	G Cañas	6	6
	7	F Saretta	6	6																			G García López	2	2
	Q	S Wawrinka	3	1				7	F Saretta	5	0
		G García López	5	6	6				G García López	7	6
		V Hănescu	7	4	4											G García López	6	6
		J Acasuso	3	5											2	J Novák	3	3
		C Rochus	6	7					C Rochus	6	3	1
		R Ramírez Hidalgo	4	2				2	J Novák	4	6	6
	2	J Novák	6	6

• Main draw
• Qualifying draw