Doubles
2018 Rio Open
Final
Champions	David Marrero Fernando Verdasco
Runners-up	Nikola Mektić Alexander Peya
Score	5–7, 7–5, [10–8]
Details
Draw	16
Seeds	4
Events
Singles Doubles
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Pablo Carreño Busta and Pablo Cuevas were the defending champions, but withdrew before the tournament began.

David Marrero and Fernando Verdasco won the title, defeating Nikola Mektić and Alexander Peya in the final, 5–7, 7–5, [10–8]. Marrero and Verdasco were the first lucky loser team to win an ATP World Tour doubles title since 2014.^[1]

	First round							Quarterfinals							Semifinals							Final
	1	Ł Kubot M Melo	6	4	[10]
	Q	N Jarry J Veselý	4	6	[4]			1	Ł Kubot M Melo	64	2
		A Molteni H Zeballos	6	6					A Molteni H Zeballos	77	6
	WC	T Bellucci A Sá	1	3												A Molteni H Zeballos	4	6	[7]
	3	JS Cabal R Farah	65	5												N Mektić A Peya	6	3	[10]
		N Mektić A Peya	77	7					N Mektić A Peya	7	6
		G Pella D Schwartzman	6	2	[10]				G Pella D Schwartzman	5	3
		H Podlipnik-Castillo A Vasilevski	3	6	[3]																		N Mektić A Peya	7	5	[8]
		M Demoliner G Monfils	6	1	[5]																	LL	D Marrero F Verdasco	5	7	[10]
	LL	D Marrero F Verdasco	1	6	[10]			LL	D Marrero F Verdasco	7	3	[10]
		F Fognini M López	3	2				4	S González J Peralta	5	6	[2]
	4	S González J Peralta	6	6											LL	D Marrero F Verdasco	6	6
		R Jebavý L Mayer	6	65	[10]										2	J Murray B Soares	4	4
		G García López A Ramos Viñolas	2	77	[7]				R Jebavý L Mayer	3	4
	WC	F de Paula T Monteiro	3	1				2	J Murray B Soares	6	6
	2	J Murray B Soares	6	6

1. Nicolás Jarry / Jiří Veselý

1. David Marrero / Fernando Verdasco

	First round							Qualifying competition
	1	David Marrero Fernando Verdasco	6	63	[10]
		Gerald Melzer Tennys Sandgren	4	77	[4]
								1	David Marrero Fernando Verdasco	6	3	[5]
								2	Nicolás Jarry Jiří Veselý	2	6	[10]
	WC	Mateus Alves Fabrício Neis
	2	Nicolás Jarry Jiří Veselý	w/o

• Main draw
• Qualifying draw