2021 Generali Open Kitzbühel – Doubles

Austin Krajicek and Franko Škugor were the defending champions,^[1] but Krajicek chose to compete at the Summer Olympics and Škugor chose not to defend his title.

Doubles
2021 Generali Open Kitzbühel
Champions	Alexander Erler Lucas Miedler
Runners-up	Roman Jebavý Matwé Middelkoop
Score	7–5, 7–6(7–5)

Main article: 2021 Generali Open Kitzbühel

Alexander Erler and Lucas Miedler won the title, defeating Roman Jebavý and Matwé Middelkoop in the final, 7–5, 7–6^(7–5).

Seeds

1. Tomislav Brkić / Nikola Ćaćić (semifinals)
2. Hugo Nys / Andrea Vavassori (quarterfinals)
3. Roman Jebavý / Matwé Middelkoop (final)
4. Ariel Behar / Guillermo Durán (quarterfinals)

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

	First round							Quarterfinals							Semifinals							Final
	1	T Brkić N Ćaćić	6	6
		D Pel A Rinderknech	2	3				1	T Brkić N Ćaćić	78	2	[10]
		R Matos A Vasilevski	6	7					R Matos A Vasilevski	66	6	[8]
		M Cecchinato S Travaglia	3	5											1	T Brkić N Ćaćić	6	1	[10]
	4	A Behar G Durán	6	64	[13]										WC	A Erler L Miedler	1	6	[12]
		R Albot D Molchanov	1	77	[11]			4	A Behar G Durán	79	4	[9]
	WC	A Erler L Miedler	77	6				WC	A Erler L Miedler	67	6	[11]
		P Cuevas T Seyboth Wild	64	3																		WC	A Erler L Miedler	7	77
		R Arneodo A Nedovyesov	3	65																		3	R Jebavý M Middelkoop	5	65
		A Begemann I Zelenay	6	77					A Begemann I Zelenay	77	3	[9]
		LD Martínez A Sitak	77	4	[1]			3	R Jebavý M Middelkoop	64	6	[11]
	3	R Jebavý M Middelkoop	65	6	[10]										3	R Jebavý M Middelkoop	6	1	[10]
		P Martínez M Polmans	6	6												P Martínez M Polmans	3	6	[7]
	PR	M López J Munar	4	0					P Martínez M Polmans	65	6	[10]
	WC	N Oberleitner T-S Weissborn	66	2				2	H Nys A Vavassori	77	3	[8]
	2	H Nys A Vavassori	78	6