Men's singles
2008 Estoril Open
Final
Champion	Roger Federer
Runner-up	Nikolay Davydenko
Score	7–6(7–5), 1–2 retired
Details
Draw	32 (4Q / 3WC)
Seeds	8
Events
Singles men women Doubles men women
← 2007 · Estoril Open · 2009 →

Novak Djokovic was the defending champion, but chose not to participate that year.

First-seeded Roger Federer won in the final 7–6^(7–5), 1–2, after Nikolay Davydenko retired due to a left leg injury.

	Semifinals							Final
	1	Roger Federer	2	7	6
		Denis Gremelmayr	6	5	1
								1	Roger Federer	77	1
								2	Nikolay Davydenko	65	2r
		Florent Serra	2	2
	2	Nikolay Davydenko	6	6

	First round							Second round							Quarterfinals							Semifinals
	1	R Federer	4	6	6
		O Rochus	6	3	2			1	R Federer	6	6
		O Patience	1	62					V Hănescu	3	2
		V Hănescu	6	77											1	R Federer	6	6
	Q	O Marach	1	3											WC	F Gil	4	1
	Q	J Sousa	6	6				Q	J Sousa	65	2
	WC	F Gil	6	6				WC	F Gil	77	6
	6	N Mahut	0	3																		1	R Federer	2	7	6
	4	J Nieminen	6	1	2																		D Gremelmayr	6	5	1
		D Gremelmayr	3	6	6				D Gremelmayr	78	6
		F Mayer	5	5					T Gabashvili	66	1
		T Gabashvili	7	7												D Gremelmayr	6	3	6
		J Vaněk	4	6	6											J Vaněk	2	6	2
		P Petzschner	6	3	4				J Vaněk	6	3	7
	WC	G Elias	4	5				8	M Berrer	3	6	5
	8	M Berrer	6	7

	First round							Second round							Quarterfinals							Semifinals
	5	G Simon	7	7
		R Karanušić	5	5				5	G Simon	2	3r
		F Cipolla	6	5	6				F Cipolla	6	5
		É Roger-Vasselin	4	7	4											F Cipolla	1	1
	Q	G Naso	1	2												F Serra	6	6
		F Serra	6	6					F Serra	77	6
	WC	R Machado	6	1				WC	R Machado	65	1
	3	I Karlović	4	0r																			F Serra	2	2
	7	M Gicquel	6	6																		2	N Davydenko	6	6
		B Pašanski	4	3				7	M Gicquel	77	6
		T Ascione	6	6					T Ascione	62	3
	Q	A Kudryavtsev	1	4											7	M Gicquel	4	7	3
		I Minář	7	6											2	N Davydenko	6	5	6
		M Vassallo Argüello	5	1					I Minář	6	2	4
		J Melzer	3	1				2	N Davydenko	2	6	6
	2	N Davydenko	6	6

• Draw
• Qualifying draw