Boys' singles
2019 US Open
Champion	Jonáš Forejtek
Runner-up	Emilio Nava
Score	6–7(4–7), 6–0, 6–2

Jonáš Forejtek won the boys' singles tennis title at the 2019 US Open, defeating Emilio Nava 6–7^(4–7), 6–0, 6–2 in the final.

Thiago Seyboth Wild was the defending champion, but he is no longer eligible to participate in junior events.

Seeds

Main draw

Finals

	Quarterfinals							Semifinals							Final
	14	Valentin Royer	4	4
	11	Brandon Nakashima	6	6
								11	Brandon Nakashima	64	3
								4	Jonáš Forejtek	77	6
	4	Jonáš Forejtek	3	7	7
	Q	Milan Welte	6	5	5
															4	Jonáš Forejtek	64	6	6
															8/WC	Emilio Nava	77	0	2
	8/WC	Emilio Nava	6	6
	15	Jiří Lehečka	3	1
								8/WC	Emilio Nava	6	6
									Cannon Kingsley	4	0
		Cannon Kingsley	77	6
		Dominic Stricker	63	4

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
	1	Shintaro Mochizuki	2	6	6
		Flavio Cobolli	6	3	4			1	S Mochizuki	6	66	2
	Q	Blaise Bicknell	63	3					AL Lingua Lavallén	4	78	6
		Alejo Lorenzo Lingua Lavallén	77	6												AL Lingua Lavallén	3	4
	Q	Andrew Paulson	6	5	6										14	V Royer	6	6
		Francesco Passaro	3	7	3			Q	A Paulson	2	4
	WC	Leighton Allen	3	66				14	V Royer	6	6
	14	Valentin Royer	6	78																		14	V Royer	4	4
	11	Brandon Nakashima	6	6																		11	B Nakashima	6	6
		Kyrian Jacquet	3	1				11	B Nakashima	6	3	6
		Youcef Rihane	4	4					L Riedi	4	6	2
		Leandro Riedi	6	6											11	B Nakashima	6	6
		Tristan Schoolkate	6	6												T Schoolkate	1	4
		Nicholas David Ionel	2	3					T Schoolkate	6	6
		Tyler Zink	63	0				7	H Mayot	3	4
	7	Harold Mayot	77	6

Section 2

	First round							Second round							Third round							Quarterfinals
	4	Jonáš Forejtek	6	6
	WC	Zachary Svajda	3	3				4	J Forejtek	6	6
		Pablo Llamas Ruiz	3	1					L Nardi	3	2
		Luca Nardi	6	6											4	J Forejtek	6	3	6
		Govind Nanda	7	6											16	P Makk	1	6	2
		Eric Vanshelboim	5	2					G Nanda	62	4
	Q	Giovanni Mpetshi Perricard	3	61				16	P Makk	77	6
	16	Péter Makk	6	77																		4	J Forejtek	3	7	7
	9	Gauthier Onclin	6	67	7																	Q	M Welte	6	5	5
		Taha Baadi	1	79	5			9	G Onclin	6	6
	Q	Natan Rodrigues	4	4				WC	W Grant	2	3
	WC	William Grant	6	6											9	G Onclin	3	4
	Q	Milan Welte	6	6											Q	M Welte	6	6
	Q	Kārlis Ozoliņš	4	1				Q	M Welte	6	77
		Olimjon Nabiev	3	1				6	T Kodat	2	64
	6	Toby Kodat	6	6

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
	8/WC	Emilio Nava	6	3	78
		Nicolás Álvarez Varona	2	6	66			8/WC	E Nava	64	7	7
		Matteo Arnaldi	6	6					M Arnaldi	77	5	5
		Eliot Spizzirri	3	1											8/WC	E Nava	77	6
		Juan Bautista Torres	6	6											Q	A Mayo	63	2
		Kevin Chahoud	2	2					JB Torres	4	6	2
	Q	Aidan Mayo	6	7				Q	A Mayo	6	2	6
	12	Shunsuke Mitsui	4	5																		8/WC	E Nava	6	6
	15	Jiří Lehečka	7	6																		15	J Lehečka	3	1
	WC	Ronald Hohmann	5	1				15	J Lehečka	6	6
		Hamad Međedović	4	0					A Zgirovsky	3	2
		Alexander Zgirovsky	6	6											15	J Lehečka	6	6
		Samuel Vincent Ruggeri	2	3												R Hijikata	4	3
		Rinky Hijikata	6	6					R Hijikata	6	6
		Stijn Pel	1	64				3	M Damm	4	4
	3	Martin Damm	6	77

Section 4

	First round							Second round							Third round							Quarterfinals
	5	Thiago Agustín Tirante	4	6	6
	WC	Ronan Jachuck	6	2	3			5	TA Tirante	66	0r
		Cannon Kingsley	65	77	6				C Kingsley	78	2
		Wojciech Marek	77	64	4											C Kingsley	79	78
	WC	Dali Blanch	6	5	3										10	L Draxl	67	66
		Arthur Fery	4	7	6				A Fery	65	1
		Nini Gabriel Dica	3	2				10	L Draxl	77	6
	10	Liam Draxl	6	6																			C Kingsley	77	6
	13	Keisuke Saitoh	1	1																			D Stricker	63	4
		Dalibor Svrčina	6	6					D Svrčina	6	77
	WC	Alexander Bernard	1	4					A Cazaux	1	64
		Arthur Cazaux	6	6												D Svrčina	6	3	3
		Dominic Stricker	77	6												D Stricker	3	6	6
		Matheus Pucinelli de Almeida	64	4					D Stricker	6	7
	Q	Cash Hanzlik	2	7	65			2	HVN Rune	4	5
	2	Holger Vitus Nødskov Rune	6	5	77

Qualifying

Draw

First qualifier

	First round							Qualifying competition
	1	Kārlis Ozoliņš	7	6
	WC	Micah Braswell	5	3
								1	Kārlis Ozoliņš	6	6
								10	Lorenzo Rottoli	2	3
		Mann Shah	3	6	4
	10	Lorenzo Rottoli	6	3	6

Second qualifier

	First round							Qualifying competition
	2	Harry Wendelken	64	6	3
	WC	Aidan Mayo	77	0	6
								WC	Aidan Mayo	1	77	6
								15	Stefan Storch	6	62	3
		Loris Pourroy	5	2
	15	Stefan Storch	7	6

Third qualifier

	First round							Qualifying competition
	3	Andrew Paulson	6	6
		Mark Mandlik	4	0
								3	Andrew Paulson	6	77
								12	Chen Dong	4	64
		Bruno Oliveira	2	4
	12	Chen Dong	6	6

Fourth qualifier

	First round							Qualifying competition
	4	Román Andrés Burruchaga	6	6
	WC	Taisei Kageyama	2	2
								4	Román Andrés Burruchaga	2	1
								WC	Cash Hanzlik	6	6
	WC	Cash Hanzlik	6	77
	13	Baptiste Anselmo	2	64

Fifth qualifier

	First round							Qualifying competition
	5	Ryuhei Azuma	6	7
		Andrew Dale	4	60
								5	Ryuhei Azuma	6	5	4
								16	Giovanni Mpetshi Perricard	2	7	6
	Alt	James Story	3	2
	16	Giovanni Mpetshi Perricard	6	6

Sixth qualifier

	First round							Qualifying competition
	6	Timo Legout	5	65
	WC	Victor Lilov	7	77
								WC	Victor Lilov	3	2
								11	Natan Rodrigues	6	6
	WC	Bruno Kuzuhara	4	3
	11	Natan Rodrigues	6	6

Seventh qualifier

	First round							Qualifying competition
	7	Taiyo Yamanaka	0	6	79
		Andres Martin	6	4	67
								7	Taiyo Yamanaka	4	5
									Milan Welte	6	7
		Milan Welte	6	6
	9	Arthur Craig Pantino	4	3

Eighth qualifier

	First round							Qualifying competition
	8	Blu Baker	6	6
		Luciano Darderi	2	1
								8	Blu Baker	4	5
									Blaise Bicknell	6	7
		Blaise Bicknell	6	77
	14	Lodewijk Weststrate	1	62

External links

• Draw Archived 2020-09-26 at the Wayback Machine