Doubles
2004 Mutua Madrileña Masters Madrid
Champions	Mark Knowles Daniel Nestor
Runners-up	Bob Bryan Mike Bryan
Score	6–3, 6–4

Mahesh Bhupathi and Max Mirnyi were the defending champions, but lost in semifinals to Mark Knowles and Daniel Nestor.

Mark Knowles and Daniel Nestor won the title, defeating Bob and Mike Bryan 6–3, 6–4 in the final. It was the 35th doubles title for Knowles and the 37th doubles title for Nestor, in their respective careers. It was also the 5th and final title of the year for the pair.

Seeds

Draw

Draw

	First round							Quarterfinals							Semifinals							Final
	1	M Knowles D Nestor	64	6	6
		J Knowle N Zimonjić	77	2	2			1	M Knowles D Nestor	6	3	6
		F González N Massú	5	0r					G Etlis M Rodríguez	3	6	3
		G Etlis M Rodríguez	7	0											1	M Knowles D Nestor	6	77
	3	M Bhupathi M Mirnyi	6	77											3	M Bhupathi M Mirnyi	4	63
		L Paes D Rikl	4	64				3	M Bhupathi M Mirnyi	6	6
		D Hrbatý R Schüttler	6	4					D Hrbatý R Schüttler	4	2
	WC	R Nadal T Robredo	4	1r																		1	M Knowles D Nestor	6	6
		W Arthurs P Hanley	6	6																		2	B Bryan M Bryan	3	4
		G Cañas T Haas	3	3					W Arthurs P Hanley	67	77	2
		J Palmer P Vízner	63	4				Alt	M Damm C Suk	79	64	6
	Alt	M Damm C Suk	77	6											Alt	M Damm C Suk	65	5
		J Björkman J Erlich	66	62											2	B Bryan M Bryan	77	7
		JI Chela A Pavel	78	77					JI Chela A Pavel	4	4
	WC	A Ram M Safin	2	4				2	B Bryan M Bryan	6	6
	2	B Bryan M Bryan	6	6

External links

• Main Draw (ATP)