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Boys' singles
2021 US Open
Final
Champion	Daniel Rincón
Runner-up	Shang Juncheng
Score	6–2, 7–6
Events
Singles men women boys girls Doubles men women mixed boys girls WC Singles men women quad WC Doubles men women quad Legends men women mixed
← 2019 · US Open · 2022 →

Jonáš Forejtek was the defending champion, having won the previous edition in 2019, but was no longer eligible to participate in junior events.

Daniel Rincón won the title, defeating Shang Juncheng in the final, 6–2, 7–6.

Seeds

All seeds received a bye into the second round.

01.   Shang Juncheng (final)

02.   Samir Banerjee (quarterfinals)

03.   Daniel Rincón (champion)

04.   Bruno Kuzuhara (second round)

05.   Jack Pinnington Jones (second round, retired)

06.   Victor Lilov (quarterfinals)

07.   Viacheslav Bielinskyi (third round)

08.   Jérôme Kym (semifinals)

09.   Mark Lajal (third round)

10.   Sean Cuenin (second round)

11.   Sascha Gueymard Wayenburg (semifinals)

12.   Gonzalo Bueno (second round)

13.   Dali Blanch (second round)

14.   Alejandro Manzanera Pertusa (second round)

15.   Maks Kaśnikowski (third round)

16.   Alexander Bernard (third round)

Click on the seed number of a player to go to their draw section.

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

Finals

	Quarterfinals							Semifinals							Final
	1	Shang Juncheng	3	6	6
		Pierre Yves Bailly	6	3	2
								1	Shang Juncheng	6	6
								11	Sascha Gueymard Wayenburg	4	4
		Petr Nesterov	6	4	4
	11	Sascha Gueymard Wayenburg	0	6	6
															1	Shang Juncheng	2	6
															3	Daniel Rincón	6	7
	6	Victor Lilov	3	1
	3	Daniel Rincón	6	6
								3	Daniel Rincón	3	7	6
								8	Jérôme Kym	6	6	4
	8	Jérôme Kym	4	6	6
	2	Samir Banerjee	6	3	4

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								1	J Shang	7	6
	WC	Aidan Mayo	6	6				WC	A Mayo	6	3
	Q	Miguel Gomes	3	3											1	J Shang	7	6
		Daniel Mérida Aguilar	7	6												D Mérida Aguilar	6	4
		Aleksander Orlikowski	6	3					D Mérida Aguilar	6	7
								13	D Blanch	3	6
																						1	J Shang	3	6	6
																							PY Bailly	6	3	2
								12	G Bueno	0	3
		Jack Anthrop	4	7	4				PY Bailly	6	6
		Pierre Yves Bailly	6	6	6											PY Bailly	6	6
	WC	Colton Smith	7	6											WC	C Smith	4	4
		Edas Butvilas	6	4				WC	C Smith	6	6	2
								5	J Pinnington Jones	7	4	0

Section 2

	First round							Second round							Third round							Quarterfinals
								4	B Kuzuhara	3	6	3
	Q	Jakub Menšík	6	6				Q	J Menšík	6	4	6
		Måns Dahlberg	4	2											Q	J Menšík	6	4
		Petr Nesterov	6	6	6											P Nesterov	7	6
	Q	Philip Florig	1	7	3				P Nesterov	6	6
								14	A Manzanera Pertusa	4	4
																							P Nesterov	6	4	4
																						11	S Gueymard Wayenburg	0	6	6
								11	S Gueymard Wayenburg	7	3	6
	WC	Ryan Colby	7	4	4			WC	R Colby	6	6	3
		Álvano Guillén Meza	5	6	0										11	S Gueymard Wayenburg	7	7
		Ozan Colak	6	6	6										7	V Bielinskyi	5	6
		Abedallah Shelbayh	7	3	7				A Shelbayh	5	4
								7	V Bielinskyi	7	6

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
								6	V Lilov	7	4	6
	Q	Sebastian Dominko	4	6	3				P Sekulic	6	6	2
		Philip Sekulic	6	3	6										6	V Lilov	6	6
	Q	Christopher Li	6	4	6										9	M Lajal	2	2
	WC	Alexander Razeghi	4	6	7			WC	A Razeghi	2	6	3
								9	M Lajal	6	4	6
																						6	V Lilov	3	1
																						3	D Rincón	6	6
								16	A Bernard	6	7
		Max Westphal	6	6					M Westphal	3	6
		Peter Benjamín Privara	4	3											16	A Bernard	4	3
	WC	Aidan Kim	6	6											3	D Rincón	6	6
		Lui Maxted	2	4				WC	A Kim	6	5
								3	D Rincón	7	7

Section 4

	First round							Second round							Third round							Quarterfinals
								8	J Kym	7	7
		Ignacio Buse	7	6					I Buse	6	5
	WC	Michael Zheng	5	3											8	J Kym	6	3	7
		Adolfo Daniel Vallejo	6	7												AD Vallejo	3	6	6
	Q	Kyle Kang	4	5					AD Vallejo	6	3	6
								10	S Cuenin	3	6	3
																						8	J Kym	4	6	6
																						2	S Banerjee	6	3	4
								15	M Kaśnikowski	4	6	7
		Mili Poljičak	6	2	1				E Quinn	6	0	6
		Ethan Quinn	2	6	6										15	M Kaśnikowski	7	2	2
		Max Hans Rehberg	4	6	7										2	S Banerjee	5	6	6
		Leo Borg	6	3	6				MH Rehberg	0	4
								2	S Banerjee	6	6

Qualifying

Seeds

1. Kalin Ivanovski (first round)
2. Coleman Wong (qualifying competition)
3. Vilius Gaubas (qualifying competition)
4. Adam Jurajda (first round)
5. Matthew William Donald (qualifying competition)
6. Jakub Menšík (qualified)
7. Philip Florig (qualified)
8. German Samofalov (first round)
9. João Victor Couto Loureiro (qualifying competition)
10. Miguel Gomes (qualified)
11. Sebastian Dominko (qualified)
12. Elmer Møller (first round)

Qualifiers

1. Philip Florig
2. Kyle Kang
3. Miguel Gomes
4. Christopher Li
5. Sebastian Dominko
6. Jakub Menšík

Draw

First qualifier

	First round							Qualifying competition
	1	Kalin Ivanovski	7	3
	WC	Nicholas Heng	5	6
								WC	Nicholas Heng	3	3
								7	Philip Florig	6	4
		Derrick Chen	2	2
	7	Philip Florig	6	6

Second qualifier

	First round							Qualifying competition
	2	Coleman Wong	7	7
	WC	Yu Tanaka	5	5
								2	Coleman Wong	1	6
								WC	Kyle Kang	6	3
	WC	Kyle Kang	7	4
	12	Elmer Møller	5	6

Third qualifier

	First round							Qualifying competition
	3	Vilius Gaubas	6	6
		Azuma Visaya	3	4
								3	Vilius Gaubas	6	6
								10	Miguel Gomes	7	3
		Orel Kimhi	5	5
	10	Miguel Gomes	7	7

Fourth qualifier

	First round							Qualifying competition
	4	Adam Jurajda	4	3
		Christopher Li	6	6
									Christopher Li	6	5
								9	João Victor Couto Loureiro	2	7
		Braden Shick	6	7
	9	João Victor Couto Loureiro	7	6

Fifth qualifier

	First round							Qualifying competition
	5	Matthew William Donald	6	6
	WC	Sebastian Gorzny	1	7
								5	Matthew William Donald	6	1
								11	Sebastian Dominko	4	6
		Ezequiel Monferrer	3	4
	11	Sebastian Dominko	6	6

Sixth qualifier

	First round							Qualifying competition
	6	Jakub Menšík	6	3
		Neo Niedner	1	6
								6	Jakub Menšík	6	7
									Benjamin Kittay	2	6
		Benjamin Kittay	6	2
	8	German Samofalov	4	6

References

1. "Junior Wrap: Robin Montgomery, Daniel Rincon win US Open singles titles". US Open. Retrieved 6 November 2024.

External links

• Draw

• 2021 US Open (tennis)
• US Open (tennis) by year – Boys' singles