Doubles
2018 Tiburon Challenger
Champions	Hans Hach Verdugo Luke Saville
Runners-up	Gerard Granollers Pedro Martínez
Score	6–3, 6–2

André Göransson and Florian Lakat were the defending champions but lost in the quarterfinals to Gerard Granollers and Pedro Martínez.

Hans Hach Verdugo and Luke Saville won the title after defeating Granollers and Martínez 6–3, 6–2 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 Arévalo R Maytín	6	6
		B Fratangelo R Galloway	3	0				1	M Arévalo R Maytín	6	63	[6]
		R Roelofse N Rubin	3	0				Q	H Hach Verdugo L Saville	2	77	[10]
	Q	H Hach Verdugo L Saville	6	6											Q	H Hach Verdugo L Saville	6	6
	4	M Granollers M Vervoort	4	6	[10]											A Lawson H Reese	4	4
		T Matsui F Nielsen	6	3	[4]			4	M Granollers M Vervoort	6	610	[8]
		A Lawson H Reese	6	6					A Lawson H Reese	4	712	[10]
		M Reid J Thompson	4	4																		Q	H Hach Verdugo L Saville	6	6
		G Granollers P Martínez	6	6																			G Granollers P Martínez	3	2
	WC	C Eubanks M Krueger	4	4					G Granollers P Martínez	6	6
	WC	A Göransson F Lakat	4	6	[10]			WC	A Göransson F Lakat	4	4
	3	P Polansky J Withrow	6	3	[4]											G Granollers P Martínez	77	7
		R Gonzales N Lammons	4	6	[4]											E King N Pasha	64	5
		E King N Pasha	6	2	[10]				E King N Pasha	6	6
	WC	H Johnson Y Johnson	6	3	[10]			WC	H Johnson Y Johnson	4	2
	2	Sa Ratiwatana C Rungkat	1	6	[8]

References

• Main Draw
• Qualifying Draw