Singles
2003 Copenhagen Open
Final
Champion	Karol Kučera
Runner-up	Olivier Rochus
Score	7–6(7–4) , 6–4
Details
Draw	32
Seeds	8
Events
Singles Doubles
← 2002 · Copenhagen Open

Lars Burgsmüller was the defending champion but lost in the second round to Olivier Rochus.

Karol Kučera won in the final 7–6^(7–4) , 6–4 against Rochus.

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

	First round							Second round							Quarterfinals							Semifinals							Final
	1	J Nieminen	3	2
		O Rochus	6	6					O Rochus	6	6
		J Melzer	4	4					L Burgsmüller	1	2
		L Burgsmüller	6	6												O Rochus	6	6
		J Vaněk	6	2	6											T Behrend	4	1
	WC	R Nørby	4	6	3				J Vaněk	77	3	3
	Q	T Behrend	6	67	77				T Behrend	64	6	6
	7	M Ančić	4	79	62																		O Rochus	6	62	6
	4	R Štěpánek	77	3	6																	4	R Štěpánek	3	77	4
		A di Pasquale	63	6	3			4	R Štěpánek	6	1	6
	WC	F Nielsen	1	1				Q	M Larsson	4	6	1
	Q	M Larsson	6	6											4	R Štěpánek	6	1	6
		J Gimelstob	4	3												K Beck	4	6	2
		K Beck	6	6					K Beck	4	77	1
		A Dupuis	6	6					A Dupuis	6	65	0/r
	6	M Verkerk	4	4																										Olivier Rochus	64	4
	5	K Carlsen	77	3	4																								3	Karol Kučera	77	6
		M Kratochvil	63	6	6				M Kratochvil	77	78
		J-R Lisnard	7	6					J-R Lisnard	65	66
	Q	G Müller	5	4												M Kratochvil	5	2
	Q	M Dell'Acqua	66	64											3	K Kučera	7	6
		M Rosset	78	77					M Rosset	65	3
		K Vliegen	2	3				3	K Kučera	77	6
	3	K Kučera	6	6																		3	K Kučera	6	6
	8	R Sluiter	64	5																		2	W Arthurs	2	4
		M Norman	77	7					M Norman	6	78
		C Mamiit	2	0					K Pless	4	66
		K Pless	6	6												M Norman	79	5	4
		B Vahaly	4	4											2	W Arthurs	67	7	6
	WC	A Vinciguerra	6	6				WC	A Vinciguerra	77	4	66
		O Mutis	65	2				2	W Arthurs	64	6	78
	2	W Arthurs	77	6

• 2003 Copenhagen Open draw
• 2003 Copenhagen Open Qualifying draw