2021 Sardegna Open – Doubles

Marcus Daniell and Philipp Oswald were the defending champions, but chose to compete in Marbella instead.^[1]

Doubles
2021 Sardegna Open
Champions	Lorenzo Sonego Andrea Vavassori
Runners-up	Simone Bolelli Andrés Molteni
Score	6–3, 6–4

Main article: 2021 Sardegna Open

Lorenzo Sonego and Andrea Vavassori won the title, defeating Simone Bolelli and Andrés Molteni in the final, 6–3, 6–4.

Seeds

1. Marcelo Melo / Jean-Julien Rojer (first round)
2. Simone Bolelli / Andrés Molteni (final)
3. Matthew Ebden / Divij Sharan (first round)
4. Lloyd Glasspool / Jonny O'Mara (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	M Melo J-J Rojer	3	6	[6]
		L Sonego A Vavassori	6	3	[10]				L Sonego A Vavassori	6	6
	WC	A Pellegrino G Zeppieri	78	1	[10]			WC	A Pellegrino G Zeppieri	1	4
		N Basilashvili A Begemann	66	6	[7]											L Sonego A Vavassori	w/o
	4	L Glasspool J O'Mara	6	3	[12]											F Coria D Evans
		M Cecchinato S Travaglia	3	6	[14]				M Cecchinato S Travaglia	2	2
		F Coria D Evans	6	2	[10]				F Coria D Evans	6	6
		H Heliövaara D Molchanov	4	6	[6]																		L Sonego A Vavassori	6	6
		G Durán G Pella	7	4	[8]																	2	S Bolelli A Molteni	3	4
	WC	J Berrettini M Berrettini	5	6	[10]			WC	J Berrettini M Berrettini	77	6
		T Huey F Nielsen	6	6					T Huey F Nielsen	65	3
	3	M Ebden D Sharan	1	4											WC	J Berrettini M Berrettini	3	6	[3]
	PR	R Jebavý I Zelenay	6	3	[8]										2	S Bolelli A Molteni	6	4	[10]
		T Fritz T Paul	2	6	[10]				T Fritz T Paul	0	2
		N Lammons J Withrow	5	4				2	S Bolelli A Molteni	6	6
	2	S Bolelli A Molteni	7	6