Men's doubles
2021 Astana Open
Final
Champions	Santiago González Andrés Molteni
Runners-up	Jonathan Erlich Andrei Vasilevski
Score	6–1, 6–2
Events
Singles men women Doubles men women
← 2020 · Astana Open · 2022 →

Sander Gillé and Joran Vliegen were the defending champions,^[1] but chose not to participate this year.

Santiago González and Andrés Molteni won the title, defeating Jonathan Erlich and Andrei Vasilevski in the final, 6–1, 6–2.

	First round							Quarterfinals							Semifinals							Final
	1	S González A Molteni	6	65	[10]
	WC	D Popko T Skatov	4	77	[6]			1	S González A Molteni	5	6	[10]
		D Pel A-u-H Qureshi	64	3					L Glasspool H Heliövaara	7	4	[8]
		L Glasspool H Heliövaara	77	6											1	S González A Molteni	6	6
	4	A Göransson A Vavassori	6	4	[11]											R Berankis A Sitak	4	0
		A Begemann N Lammons	4	6	[9]			4	A Göransson A Vavassori	5	6	[7]
		R Berankis A Sitak	7	6					R Berankis A Sitak	7	3	[10]
		E Ruusuvuori A Seppi	5	3																		1	S González A Molteni	6	6
		J Munar M Polmans	77	4	[10]																		J Erlich A Vasilevski	1	2
	WC	A Bublik D Golubev	65	6	[8]				J Munar M Polmans	1	2
		J Erlich A Vasilevski	6	1	[10]				J Erlich A Vasilevski	6	6
	3	M Demoliner R Matos	1	6	[7]											J Erlich A Vasilevski	79	77
		R Arneodo B Bonzi	6	7												R Arneodo B Bonzi	67	65
		R Jebavý J Veselý	3	5					R Arneodo B Bonzi	6	4	[10]
		J Duckworth M Ebden	67	2				2	A Golubev A Nedovyesov	4	6	[7]
	2	A Golubev A Nedovyesov	79	6

• Main Draw