Men's doubles
2018 Open Castilla y León
Champions	Andrés Artuñedo David Pérez Sanz
Runners-up	Matías Franco Descotte João Monteiro
Score	6–7(3–7), 6–3, [10–6]

Adrián Menéndez Maceiras and Sergiy Stakhovsky were the defending champions but withdrew before their quarterfinal match.

Andrés Artuñedo and David Pérez Sanz won the title after defeating Matías Franco Descotte and João Monteiro 6–7^(3–7), 6–3, [10–6] in the final.

Seeds

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

	First round							Quarterfinals							Semifinals							Final
	1	S Balaji V Vardhan	6	6
		I Nedelko A Šetkić	0	3				1	S Balaji V Vardhan	65	65
		D Hidalgo R Quiroz	7	4	[6]			WC	C Boluda-Purkiss M Semmler	77	77
	WC	Carlos Boluda-Purkiss Miguel Semmler	5	6	[10]										WC	C Boluda-Purkiss M Semmler	5	6	[4]
	3	A Menéndez Maceiras S Stakhovsky	3	6	[10]										WC	MF Descotte J Monteiro	7	2	[10]
		B Arias F Zeballos	6	3	[5]			3	A Menéndez Maceiras S Stakhovsky
		Mick Lescure A Olivetti	5	4				WC	MF Descotte J Monteiro	w/o
	WC	MF Descotte João Monteiro	7	6																		WC	MF Descotte J Monteiro	77	3	[6]
		D Guez Y Jankovits	6	6																			A Artuñedo D Pérez Sanz	63	6	[10]
		S Martos Gornés R Ortega Olmedo	3	3					D Guez Y Jankovits	1	6	[8]
		A Artuñedo D Pérez Sanz	79	66	[10]				A Artuñedo D Pérez Sanz	6	3	[10]
	4	F Baldi A Pellegrino	67	78	[5]											A Artuñedo D Pérez Sanz	63	6	[10]
		T Altuna C İlkel	77	4	[10]										2	T Brkić A Pavić	77	3	[7]
	WC	J Muñoz Abreu Alberto Romero de Ávila Senise	63	6	[7]				T Altuna C İlkel	2	3
		GM Moroni L Vanni	3	5				2	T Brkić A Pavić	6	6
	2	T Brkić A Pavić	6	7

References

• Main draw