2018 Los Cabos Open – Doubles

Juan Sebastián Cabal and Treat Huey were the defending champions, but Huey chose not to participate and Cabal chose to compete in Washington instead.

Doubles
2018 Los Cabos Open
Champions	Marcelo Arévalo Miguel Ángel Reyes-Varela
Runners-up	Taylor Fritz Thanasi Kokkinakis
Final score	6–4, 6–4

Main article: 2018 Los Cabos Open

Marcelo Arévalo and Miguel Ángel Reyes-Varela won the title, defeating Taylor Fritz and Thanasi Kokkinakis in the final, 6–4, 6–4.

Seeds

1. Santiago González / David Marrero (First round)
2. Jonathan Erlich / Joe Salisbury (Quarterfinals)
3. Marcelo Arévalo / Miguel Ángel Reyes-Varela (Champions)
4. Romain Arneodo / Nicholas Monroe (Semifinals)

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

Draw

	First Round							Quarterfinals							Semifinals							Final
	1	S González D Marrero	7	3	[4]
		A Begemann I Karlović	5	6	[10]				A Begemann I Karlović	6	7^13
		F Neis F Romboli	6	6					F Neis F Romboli	3	6^11
	WC	M Sánchez B Tomic	4	3												A Begemann I Karlović	5	6	[7]
	3	M Arévalo MÁ Reyes-Varela	7	7^7											3	M Arévalo MÁ Reyes-Varela	7	2	[10]
		L Bambridge J O'Mara	5	6^2				3	M Arévalo MÁ Reyes-Varela	7^7	6
		H Hach Verdugo A Siljeström	1	7	[10]				H Hach Verdugo A Siljeström	6^5	2
	WC	L Gómez L Patiño	6	5	[7]																	3	M Arévalo MÁ Reyes-Varela	6	6
		A Krajicek J Nedunchezhiyan	7	6																			T Fritz T Kokkinakis	4	4
		P Raja J Withrow	5	3					A Krajicek J Nedunchezhiyan	5	4
		E King N Pasha	2	2				4	R Arneodo N Monroe	7	6
	4	R Arneodo N Monroe	6	6											4	R Arneodo N Monroe	2	4
		T Fritz T Kokkinakis	4	6	[10]											T Fritz T Kokkinakis	6	6
		S Galdós P Polansky	6	2	[6]				T Fritz T Kokkinakis	7^7	6
		B Mousley E Ymer	1	2				2	J Erlich J Salisbury	6^5	4
	2	J Erlich J Salisbury	6	6

References

• Main Draw