Singles
2008 La Serena Open
Final
Champion	Rubén Ramírez Hidalgo
Runner-up	David Marrero
Score	6–3, 6–1
Events
Singles Doubles
← 2007 · ATP Challenger La Serena

Mariano Zabaleta was the defending champion, but did not compete this year.

Rubén Ramírez Hidalgo won the title by defeating qualifier David Marrero 6–3, 6–1 in the final.^[1]

	Semifinals							Final
	Q	David Marrero	5	7	6
		Vasilis Mazarakis	7	5	4
								Q	David Marrero	3	1
								2	Rubén Ramírez Hidalgo	6	6
	5	Eduardo Schwank	6	4	3
	2	Rubén Ramírez Hidalgo	2	6	6

	First round							Second round							Quarterfinals							Semifinals
	1/WC	N Lapentti	6	6
		JP Villar	1	4				1/WC	N Lapentti	6	6
		M Jorquera	1	3				WC	H Podlipnik-Castillo	3	1
	WC	H Podlipnik-Castillo	6	6											1/WC	N Lapentti	6	4	3
		S Decoud	64	6	4										Q	D Marrero	1	6	6
	Q	D Marrero	77	4	6			Q	D Marrero	6	63	6
		R Eitzinger	6	4	2			7	A García	3	77	2
	7	A García	4	6	6																	Q	D Marrero	5	7	6
	4	B Dabul	6	1																			V Mazarakis	7	5	4
		G Marcaccio	2	0r				4	B Dabul	0	3
	Q	A Fabbri	4	67					V Mazarakis	6	6
		V Mazarakis	6	79												V Mazarakis	6	6
		JA Sánchez de Luna	7	6												JA Sánchez de Luna	4	4
		C Zampieri	5	4					JA Sánchez de Luna	4	7	6
		A Haider-Maurer	6	3	77				A Haider-Maurer	6	5	3
	6	T Bellucci	3	6	65

	First round							Second round							Quarterfinals							Semifinals
	5	E Schwank	6	6
		M Puerta	1	4				5	E Schwank	6	6
		F Ferreiro	4						F Ferreiro	3	3
		C Villagrán	1r												5	E Schwank	6	6
		G Trujillo Soler	6	7												G Trujillo Soler	1	1
	LL	A Kon	1	5					G Trujillo Soler	6	65	6
	WC	G Hormazábal	2	77	7			WC	G Hormazábal	4	77	3
	3	JP Guzmán	6	62	5																	5	E Schwank	6	4	3
	8	D Muñoz de la Nava	6	5	62																	2	R Ramírez Hidalgo	2	6	6
	Q	M Alund	3	7	77			Q	M Alund	78	4	4
		JM Aranguren	3	6	7				JM Aranguren	66	6	6
		D Junqueira	6	2	5											JM Aranguren	4	1
		H Zeballos	4	7	4										2	R Ramírez Hidalgo	6	6
		G Alcaide	6	5	6				G Alcaide	1	6	62
	Q	M Marrai	2	3				2	R Ramírez Hidalgo	6	2	77
	2	R Ramírez Hidalgo	6	6

• Main Draw (ATP)
• Qualifying Draw (ATP)
• ITF tournament profile^{[permanent dead link‍]}