Doubles
2018 Sánchez-Casal Mapfre Cup
Champions	Marcelo Demoliner David Vega Hernández
Runners-up	Rameez Junaid David Pel
Score	7–6(7–3), 6–3

This was the first edition of the tournament.

Marcelo Demoliner and David Vega Hernández won the title after defeating Rameez Junaid and David Pel 7–6^(7–3), 6–3 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	M Demoliner D Vega Hernández	6	6
		L Grigelis A Motti	4	2				1	M Demoliner D Vega Hernández	6	6
	WC	Bekkhan Atlangeriev Melik Feler	63	2					L Giustino S Martos Gornés	1	1
		L Giustino S Martos Gornés	77	6											1	M Demoliner D Vega Hernández	6	7
	4	A Martin H Podlipnik Castillo	6	6											4	A Martin H Podlipnik Castillo	4	5
	WC	Max Flaherty Alexander Kotzen	0	1				4	A Martin H Podlipnik Castillo	7	7
		D Kuzmanov M Zekić	3	6	[4]				A Giannessi A Pellegrino	5	5
		A Giannessi A Pellegrino	6	1	[10]																	1	M Demoliner D Vega Hernández	77	6
	Alt	D Dima A Zhurbin	6	3	[12]																	3	R Junaid D Pel	63	3
		T Bednarek K Drzewiecki	1	6	[10]			Alt	D Dima A Zhurbin	3	2
		G Granollers J Samper Montaña	6	5	[9]			3	R Junaid D Pel	6	6
	3	R Junaid D Pel	3	7	[11]										3	R Junaid D Pel	4	6	[10]
		N Čačić T Draganja	4	77	[13]											N Čačić T Draganja	6	3	[6]
		S Gutiérrez Ferrol Jaume Pla Malfeito	6	64	[11]				N Čačić T Draganja	6	6
	WC	P Martínez Miguel Semmler	3	4				2	M Daniell M Vervoort	3	3
	2	M Daniell M Vervoort	6	6

References

• Main Draw