2018 Croatia Open Umag – Doubles

Guillermo Durán and Andrés Molteni were the defending champions, but Durán chose not to participate and Molteni chose to compete in Båstad instead.

Doubles
2018 Croatia Open Umag
Champions	Robin Haase Matwé Middelkoop
Runners-up	Roman Jebavý Jiří Veselý
Score	6–4, 6–4

Main article: 2018 Croatia Open Umag

Robin Haase and Matwé Middelkoop won the title, defeating Roman Jebavý and Jiří Veselý in the final, 6–4, 6–4.

Seeds

1. Dominic Inglot / Franko Škugor (semifinals)
2. Robin Haase / Matwé Middelkoop (champions)
3. Antonio Šančić / Andrei Vasilevski (first round)
4. Jonathan Eysseric / Hugo Nys (first round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Draw

	First round							Quarterfinals							Semifinals							Final
	1	D Inglot F Škugor	79	6
		S Arends T-S Weissborn	67	4				1	D Inglot F Škugor	4	6	[10]
		M Marterer H Podlipnik-Castillo	6	6					M Marterer H Podlipnik-Castillo	6	2	[5]
		M Cecchinato A Ramos Viñolas	3	4											1	D Inglot F Škugor	4	4
	4	J Eysseric H Nys	65	4												R Jebavý J Veselý	6	6
		D Molchanov I Zelenay	77	6					D Molchanov I Zelenay	3	5
		R Jebavý J Veselý	6	5	[10]				R Jebavý J Veselý	6	7
	WC	I Sabanov M Sabanov	4	7	[8]																		R Jebavý J Veselý	4	4
		P Lorenzi G Pella	6	6																		2	R Haase M Middelkoop	6	6
	WC	M Draganja T Draganja	3	1					P Lorenzi G Pella	2	7	[7]
		S González J Sousa	6	7					S González J Sousa	6	5	[10]
	3	A Šančić A Vasilevski	4	5												S González J Sousa	4	4
		R Arneodo B Paire	6	77											2	R Haase M Middelkoop	6	6
	Alt	N Jarry R Quiroz	2	64					R Arneodo B Paire	3	5
		D Lajović A Rublev	4	4				2	R Haase M Middelkoop	6	7
	2	R Haase M Middelkoop	6	6

References

• Main Draw