This articlerelies largely or entirely on asingle source. Relevant discussion may be found on thetalk page. Please helpimprove this article byintroducing citations to additional sources. Find sources: "2021 National Bank Open – Men's doubles" – news ·newspapers ·books ·scholar ·JSTOR(October 2021)

Men's doubles
2021 National Bank Open
Final
Champions	Rajeev Ram Joe Salisbury
Runners-up	Nikola Mektić Mate Pavić
Score	6–3, 4–6, [10–3]
Events
Singles men women Doubles men women
← 2019 · National Bank Open · 2022 →

Marcel Granollers andHoracio Zeballos were the defending champions from when the tournament was last held in2019,^[1] but withdrew before the tournament began.

Rajeev Ram andJoe Salisbury won the title, defeatingNikola Mektić andMate Pavić in the final, 6–3, 4–6, [10–3]. By reaching the finals, the Croatian tandem became the second team since theBryans in2014, to reach 5 consecutive Masters 1000 finals.

The top fourseeds receive abye into the second round.

Key

	Semifinals							Final
	1	Nikola Mektić Mate Pavić	77	714
	4	Kevin Krawietz Horia Tecău	63	612
								1	Nikola Mektić Mate Pavić	3	6	[3]
								3	Rajeev Ram Joe Salisbury	6	4	[10]
	3	Rajeev Ram Joe Salisbury	6	7
		Sander Gillé Joran Vliegen	3	5

	First round							Second round							Quarterfinals							Semifinals
								1	N Mektić M Pavić	3	7	[13]
	Alt	M Kecmanović C Ruud	5	3					D Evans N Skupski	6	5	[11]
		D Evans N Skupski	7	6											1	N Mektić M Pavić	6	66	[10]
		J Murray M Purcell	77	1	[11]											M Middelkoop L Saville	3	78	[7]
		M Middelkoop L Saville	65	6	[13]				M Middelkoop L Saville	6	1
		A Bublik C Garín	6	6					A Bublik C Garín	3	0r
	6	J Peers F Polášek	4	4																		1	N Mektić M Pavić	77	714
																						4	K Krawietz H Tecău	63	612
								4	K Krawietz H Tecău	6	1	[12]
		A Behar G Escobar	7	3	[11]				O Marach P Oswald	2	6	[10]
		O Marach P Oswald	5	6	[13]										4	K Krawietz H Tecău	6	3	[10]
		A de Minaur C Norrie	4	77	[8]											A Karatsev D Lajović	3	6	[3]
		A Karatsev D Lajović	6	64	[10]				A Karatsev D Lajović	6	6
		H Hurkacz J Sinner	5	4				5	Ł Kubot M Melo	4	4
	5	Ł Kubot M Melo	7	6

	First round							Second round							Quarterfinals							Semifinals
	8	R Bopanna I Dodig	6	77
		F Fognini L Sonego	4	64				8	R Bopanna I Dodig	6	6
	WC	P Polansky B Schnur	4	1					S Bolelli M González	4	3
		S Bolelli M González	6	6											8	R Bopanna I Dodig	6	3	[4]
		M Čilić J-L Struff	4	7	[11]										3	R Ram J Salisbury	4	6	[10]
		A Golubev A Mies	6	5	[13]				A Golubev A Mies	3	2
								3	R Ram J Salisbury	6	6
																						3	R Ram J Salisbury	6	7
	7	T Pütz M Venus	5	63																			S Gillé J Vliegen	3	5
		S Gillé J Vliegen	7	77					S Gillé J Vliegen	77	2	[10]
		R Klaasen B McLachlan	4	64					W Koolhof A Krajicek	65	6	[8]
		W Koolhof A Krajicek	6	77												S Gillé J Vliegen	65	6	[10]
		K Khachanov A Rublev	6	78											2	JS Cabal R Farah	77	2	[8]
	WC	F Auger-Aliassime A Galarneau	4	66					K Khachanov A Rublev	3	4
								2	JS Cabal R Farah	6	6

• Main draw

• 2021 National Bank Open

• Articles with short description
• Short description matches Wikidata
• Use mdy dates from January 2025
• Articles needing additional references from October 2021
• All articles needing additional references
• Short description is different from Wikidata