Singles
2005 Grand Prix Hassan II
Champion	Mariano Puerta
Runner-up	Juan Mónaco
Score	6–4, 6–1

Santiago Ventura was the defending champion, but lost in the second round.

Mariano Puerta won the title, defeating Juan Mónaco 6–4, 6–1 in the final.

Seeds

Draw

Finals

	Semifinals							Final
		Tomáš Zíb	2	4
		Juan Mónaco	6	6
									Juan Mónaco	4	1
								6	Mariano Puerta	6	6
	6	Mariano Puerta	6	78
	2	Filippo Volandri	3	66

Top half

	First round							Second round							Quarter-finals							Semi-finals
	1	R Schüttler	2	2
		T Zíb	6	6					T Zíb	6	6
		S Ventura	7	6					S Ventura	4	1
	WC	H Arazi	5	3												T Zíb	6	79
	Q	T Ascione	5	4											8	C Rochus	1	67
		D Sánchez	7	6					D Sánchez	5	6	3
	WC	M Tahiri	3	2				8	C Rochus	7	4	6
	8	C Rochus	6	6																			T Zíb	2	4
	4	F Santoro	4	6	3																		J Mónaco	6	6
		J Vaněk	6	3	6				J Vaněk	4	6	3
	Q	G Simon	6	3	6			Q	G Simon	6	3	6
		J Acasuso	3	6	3										Q	G Simon	6	2	5
		D Sanguinetti	65	4												J Mónaco	4	6	7
		J Mónaco	77	6					J Mónaco	77	6
		B Ulihrach	2	1				5	F Mayer	64	0
	5	F Mayer	6	6

Bottom half

	First round							Second round							Quarter-finals							Semi-finals
	6	M Puerta	6	6
		T Behrend	4	1				6	M Puerta	6	77
		N Almagro	6	6					N Almagro	3	62
		L Burgsmüller	2	2											6	M Puerta	4	6	6
	Q	M Gicquel	1	7	6											A Clément	6	1	2
	Q	M Mertiňák	6	5	4			Q	M Gicquel	4	4
		A Clément	7	6					A Clément	6	6
	3	L Horna	5	2																		6	M Puerta	6	78
	7	G Müller	7	6																		2	F Volandri	3	66
		J-R Lisnard	5	2				7	G Müller	6	6
		J Tipsarevic	7	6					J Tipsarevic	3	4
		O Mutis	5	3											7	G Müller	60	1
		J Nieminen	6	77											2	F Volandri	77	6
		V Hănescu	3	62					J Nieminen	6	1	4
	WC	Y El Aynaoui	3	65				2	F Volandri	3	6	6
	2	F Volandri	6	77

External links

• 2005 Grand Prix Hassan II Draw
• 2005 Grand Prix Hassan II Qualifying Draw