2021 Croatia Open Umag – Doubles

Robin Haase and Philipp Oswald were the reigning champions from when the tournament was last held in 2019, but chose not to defend their title.

Doubles
2021 Croatia Open Umag
Champions	Fernando Romboli David Vega Hernández
Runners-up	Tomislav Brkić Nikola Ćaćić
Score	6–3, 7–5

Main article: 2021 Croatia Open Umag

Fernando Romboli and David Vega Hernández won the title, defeating Tomislav Brkić and Nikola Ćaćić in the final, 6–3, 7–5.

Seeds

1. Tomislav Brkić / Nikola Ćaćić (final)
2. Pablo Cuevas / Fabrice Martin (first round)
3. Rafael Matos / Andrei Vasilevski (first round)
4. Luis David Martínez / Artem Sitak (first round)

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

Draw

	First round							Quarterfinals							Semifinals							Final
	1	T Brkić N Ćaćić	6	3	[10]
	WC	D Ajduković F Ninčević	4	6	[8]			1	T Brkić N Ćaćić	6	6
		R Jebavý J Veselý	7	6					R Jebavý J Veselý	2	2
		C Taberner B Zapata Miralles	5	3											1	T Brkić N Ćaćić	6	6
	4	LD Martinez A Sitak	6	61	[6]											I Sabanov M Sabanov	1	2
		I Sabanov M Sabanov	3	77	[10]				I Sabanov M Sabanov	7	6
		S Caruso G Mager	78	2	[6]				D Džumhur A Šančić	5	0
		D Džumhur A Šančić	66	6	[10]																	1	T Brkić N Ćaćić	3	5
		R Albot P Martínez	6	77																			F Romboli D Vega Hernández	6	7
		A Begemann I Zelenay	4	65					R Albot P Martínez	6	6
		M Cecchinato S Travaglia	7	6					M Cecchinato S Travaglia	4	1
	3	R Matos A Vasilevski	5	4												R Albot P Martínez	6	68	[7]
	PR	M López J Munar	5	6	[5]											F Romboli D Vega Hernández	4	710	[10]
		F Romboli D Vega Hernández	7	4	[10]				F Romboli D Vega Hernández	3	7	[16]
	WC	A Kalender M Poljičak	6	6				WC	A Kalender M Poljičak	6	5	[14]
	2	P Cuevas F Martin	3	4

External links

• Main Draw