Singles
2004 Grand Prix de Tennis de Lyon
Champion	Robin Söderling
Runner-up	Xavier Malisse
Score	6–2, 3–6, 6–4
Draw	32
Seeds	8

Rainer Schüttler was the defending champion, but lost in the first round this year.

Robin Söderling won the tournament, beating Xavier Malisse 6–2, 3–6, 6–4 in the final.

Seeds

Draw

Finals

	Semifinals							Final
		Xavier Malisse	6	6
		David Ferrer	4	2
									Xavier Malisse	2	6	4
									Robin Söderling	6	3	6
		Robin Söderling	6	6
	7	Vincent Spadea	2	4

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	N Massú	3	4
		A Calleri	6	6					A Calleri	3	77	64
		L Horna	4	61					M Youzhny	6	62	77
		M Youzhny	6	77												M Youzhny	3	4
	Q	R Štěpánek	4	7	6											X Malisse	6	6
	WC	P-H Mathieu	6	5	2			Q	R Štěpánek	6	64	0
		X Malisse	6	77					X Malisse	4	77	6
	6	D Hrbatý	4	64																			X Malisse	6	6
	3	JC Ferrero	6	77																			D Ferrer	4	2
		S Sargsian	3	64				3	JC Ferrero	6	5	3
		D Ferrer	6	6					D Ferrer	3	7	6
	Q	R Sluiter	3	4												D Ferrer	6	6
		A Costa	77	66	4											J Björkman	2	4
		J Björkman	65	78	6				J Björkman	63	77	6
	Q	M Mirnyi	6	3				Q	M Mirnyi	77	65	4
	8	M Ančić	3	1r

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	T Robredo	1	4
		R Söderling	6	6					R Söderling	4	6	6
		F López	6	62	6				F López	6	3	3
		N Davydenko	3	77	3											R Söderling	6	6
		R Nadal	3	0											4	J Johansson	3	4
	Q	J Benneteau	6	6				Q	J Benneteau	3	4
	SE	J Mónaco	4	3				4	J Johansson	6	6
	4	J Johansson	6	6																			R Söderling	6	6
	7	V Spadea	6	6																		7	V Spadea	2	4
		R Ginepri	4	3				7	V Spadea	6	77
		I Ljubičić	6	77					I Ljubičić	4	64
	WC	A Clément	4	61											7	V Spadea	1	6	77
		J Melzer	77	6												J Melzer	6	1	62
	WC	M Llodra	62	4					J Melzer	4	77	6
		H Arazi	6	1	6				H Arazi	6	64	1
	2	R Schüttler	4	6	3

References

• Main Draw
• Qualifying Draw