2021 US Open – Boys' doubles

Eliot Spizzirri and Tyler Zink were the defending champions, having won the previous edition in 2019, however both players were no longer eligible to participate in junior events. Spizzirri and Zink received a wildcard in the men's doubles event, where they lost in the first round.

Boys' doubles
2021 US Open
Champions	Max Westphal Coleman Wong
Runners-up	Viacheslav Bielinskyi Petr Nesterov
Score	6–3, 5–7, [10–1]

Main article: 2021 US Open (tennis)

Max Westphal and Coleman Wong won the title, defeating Viacheslav Bielinskyi and Petr Nesterov in the final, 6–3, 5–7, [10–1].^[1]

Seeds

All seeds received a bye into the second round.

1. Jérôme Kym / Jack Pinnington Jones (withdrew)
2. Samir Banerjee / Ozan Colak (second round)
3. Sean Cuenin / Sascha Gueymard Wayenburg (quarterfinals)
4. Alexander Bernard / Dali Blanch (second round)
5. Gonzalo Bueno / Adolfo Daniel Vallejo (second round)
6. Victor Lilov / Peter Benjamín Privara (quarterfinals)
7. Daniel Rincón / Abedallah Shelbayh (second round)
8. Viacheslav Bielinskyi / Petr Nesterov (final)

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

Finals

	Semifinals							Final
		Max Westphal Coleman Wong	6	4	[10]
		Bruno Kuzuhara Mili Poljičak	4	6	[4]
									Max Westphal Coleman Wong	6	5	[10]
								8	Viacheslav Bielinskyi Petr Nesterov	3	7	[1]
	WC	Nicholas Godsick Ethan Quinn	62	3
	8	Viacheslav Bielinskyi Petr Nesterov	77	6

Top half

	First round							Second round							Quarterfinals							Semifinals
								Alt	Ryan Colby Aidan Kim	6	5	[6]
		Max Westphal Coleman Wong	3	77	[10]				M Westphal C Wong	4	7	[10]
		Edas Butvilas Alejandro Manzanera Pertusa	6	61	[4]											M Westphal C Wong	4	6	[10]
		Ignacio Buse Álvaro Guillén Meza	65	3											WC	J Anthrop B Kittay	6	3	[7]
	WC	Jack Anthrop Benjamin Kittay	77	6				WC	J Anthrop B Kittay	6	77
								7	D Rincón A Shelbayh	4	64
																							M Westphal C Wong	6	4	[10]
																							B Kuzuhara M Poljičak	4	6	[4]
								4	A Bernard Dal Blanch	3	4
		Jakub Menšík Philip Sekulic	6	68	[5]				B Kuzuhara M Poljičak	6	6
		Bruno Kuzuhara Mili Poljičak	4	710	[10]											B Kuzuhara M Poljičak	65	7	[10]
		Sebastian Dominko Christopher Li	3	64											6	V Lilov PB Privara	77	5	[6]
		Miguel Gomes Kyle Kang	6	77					M Gomes K Kang	6	5	[6]
								6	V Lilov PB Privara	4	7	[10]

Bottom half

	First round							Second round							Quarterfinals							Semifinals
								5	G Bueno AD Vallejo	3	3
		Philip Florig Max Hans Rehberg	2	65				WC	N Godsick E Quinn	6	6
	WC	Nicholas Godsick Ethan Quinn	6	77											WC	N Godsick E Quinn	6	7
		Kalin Ivanovski Mark Lajal	3	6	[3]										3	S Cuenin S Gueymard Wayenburg	2	5
		Maks Kaśnikowski Aleksander Orlikowski	6	4	[10]				M Kaśnikowski A Orlikowski	6	3	[6]
								3	S Cuenin S Gueymard Wayenburg	4	6	[10]
																						WC	N Godsick E Quinn	62	3
																						8	V Bielinskyi P Nesterov	77	6
								8	V Bielinskyi P Nesterov	6	77
		Leo Borg Adam Jurajda	6	3	[11]				V Gaubas D Mérida	3	64
		Vilius Gaubas Daniel Mérida	3	6	[13]										8	V Bielinskyi P Nesterov	6	6
		Matthew William Donald Shang Juncheng	6	0	[8]											M Dahlberg L Maxted	3	4
		Måns Dahlberg Lui Maxted	4	6	[10]				M Dahlberg L Maxted	3	6	[10]
								2	S Banerjee O Colak	6	3	[7]