2021 Geneva Open – Doubles

Oliver Marach and Mate Pavić were the two-time defending champions from when the event was last held in 2019^[1] but lost in the first round to Tomislav Brkić and Nikola Ćaćić.

Doubles
2021 Geneva Open
Champions	John Peers Michael Venus
Runners-up	Simone Bolelli Máximo González
Score	6–2, 7–5

Main article: 2021 Geneva Open

John Peers and Michael Venus won the title, defeating Simone Bolelli and Máximo González in the final, 6–2, 7–5.

Seeds

1. Oliver Marach / Mate Pavić (first round)
2. John Peers / Michael Venus (champions)
3. Raven Klaasen / Ben McLachlan (semifinals)
4. Rohan Bopanna / Franko Škugor (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

Draw

	First round							Quarterfinals							Semifinals							Final
	1	O Marach M Pavić	66	2
		T Brkić N Ćaćić	78	6					T Brkić N Ćaćić	3	67
		M Purcell L Saville	63	62					S Bolelli M González	6	79
		S Bolelli M González	77	77												S Bolelli M González	3	6	[10]
	3	R Klaasen B McLachlan	6	77											3	R Klaasen B McLachlan	6	3	[4]
		L Bambridge D Inglot	3	64				3	R Klaasen B McLachlan	6	77
		M Čilić A Golubev	77	6					M Čilić A Golubev	3	64
	WC	A Cazaux H Li	65	3																			S Bolelli M González	2	5
		N Lammons J Withrow	3	4																		2	J Peers M Venus	6	7
		A Behar G Escobar	6	6					A Behar G Escobar	6	3	[13]
		P Cuevas G Pella						4	R Bopanna F Škugor	3	6	[11]
	4	R Bopanna F Škugor	w/o													A Behar G Escobar	6	62	[8]
	WC	M-A Hüsler D Stricker	77	6											2	J Peers M Venus	4	77	[10]
		N Monroe B Paire	63	1				WC	M-A Hüsler D Stricker	3	6	[9]
		M Arévalo M Middelkoop	1	4				2	J Peers M Venus	6	1	[11]
	2	J Peers M Venus	6	6