Singles
2012 Open Castilla y León
Champion	Evgeny Donskoy
Runner-up	Albano Olivetti
Score	6–1, 7–6(13–11)

Karol Beck was the defending champion, but chose not to participate this year.
Evgeny Donskoy won the tournament by defeating Albano Olivetti 6–1, 7–6^(13–11) in the final.

Seeds

Draw

Finals

	Semifinals							Final
		Albano Olivetti	6	6
		Riccardo Ghedin	2	4
									Albano Olivetti	1	611
								4	Evgeny Donskoy	6	713
	4	Evgeny Donskoy	6	6
	5	Konstantin Kravchuk	4	2

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	D Gimeno Traver	6	6
	WC	Carlos Benito Hergueta	3	1				1	D Gimeno Traver	6	6
		J Minář	6	67	0				Adrien Bossel	4	3
		Adrien Bossel	3	79	6										1	D Gimeno Traver	4	6	66
		A Olivetti	6	6												A Olivetti	6	4	78
		D Marcan	1	2					A Olivetti	78	77
		S Diez	2	3				8	I Navarro	66	64
	8	I Navarro	6	6																			A Olivetti	6	6
	3	D Lajović	6	6																			R Ghedin	2	4
	Q	N Moser	2	2				3	D Lajović	64	7	3
		B Pašanski	2	2					R Ghedin	77	5	6
		R Ghedin	6	6												R Ghedin	6	4	6
	WC	Jorge Hernando Ruano	3	3											Q	M Draganja	3	6	3
	Q	M Draganja	6	6				Q	M Draganja	6	6
		S Bohli	64	3				7	F Argüello	2	1
	7	F Argüello	77	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	K de Schepper	6	6
		T Daniel	2	1				6	K de Schepper	4	4
	Q	L Vanni	6	5	1				G Granollers	6	6
		G Granollers	4	7	6											G Granollers	0	2
		G Olaso	6	4											4	E Donskoy	6	6
		N Renavand	1	1r					G Olaso	4	3
	WC	Ricardo Villacorta-Alonso	68	2				4	E Donskoy	6	6
	4	E Donskoy	710	6																		4	E Donskoy	6	6
	5	K Kravchuk	77	61	6																	5	K Kravchuk	4	2
		N Mektić	62	77	4			5	K Kravchuk	6	6
		D Zivkovic	6	7					D Zivkovic	4	2
	Q	C-I Gârd	4	5											5	K Kravchuk	6	6
		F Martin	64	6	4										WC	A Artuñedo	4	4
		Julien Obry	77	3	6				Julien Obry	3	6	1
	WC	A Artuñedo	77	6				WC	A Artuñedo	6	3	6
	2	D Muñoz de la Nava	65	4

References

• Main draw
• Qualifying draw