Boys' singles
2023 Australian Open
Final
Champion	Alexander Blockx
Runner-up	Learner Tien
Score	6–1, 2–6, 7–6(11–9)
Events
Singles men women boys girls Doubles men women mixed boys girls WC Singles men women quad WC Doubles men women quad
← 2022 · Australian Open · 2024 →

Alexander Blockx won the boys' singles title at the 2023 Australian Open, defeating Learner Tien in the final, 6–1, 2–6, 7–6^(11–9).^[1]

Bruno Kuzuhara was the defending champion, but was no longer eligible to participate in junior events. He received a wildcard into the men's singles qualifying competition, where he lost to Michael Mmoh in the first round.^[2]

	Quarterfinals							Semifinals							Final
	1	Kilian Feldbausch	5	7	4
	11	Zhou Yi	7	5	6
								11	Zhou Yi	4	1
								3	Alexander Blockx	6	6
	3	Alexander Blockx	67	77	6
	10	João Fonseca	79	65	3
															3	Alexander Blockx	6	2	711
																Learner Tien	1	6	69
		Tomasz Berkieta	3	6	710
	4	Arthur Gea	6	2	68
									Tomasz Berkieta	4	2
									Learner Tien	6	6
		Learner Tien	6	6
	2	Iliyan Radulov	0	0

	First round							Second round							Third round							Quarterfinals
	1	Kilian Feldbausch	6	6
	WC	Thomas Nicholas Gadecki	1	3				1	K Feldbausch	6	6
		Matej Dodig	6	7					M Dodig	2	1
	Q	Goran Zgoła	1	5											1	K Feldbausch	6	61	6
		Kyle Kang	6	6												K Kang	4	77	4
		Jan Hrazdil	1	0					K Kang	6	6
		Lennon Roark Jones	3	6	68			13	D Panarin	3	3
	13	Danil Panarin	6	4	710																	1	K Feldbausch	5	7	4
	11	Zhou Yi	6	67	6																	11	Y Zhou	7	5	6
	Q	Felipe Virgili Berini	1	79	2			11	Y Zhou	7	3	5
	WC	Jeremy Zhang	3	3					M Dhamne	5	6	2r
		Manas Dhamne	6	6											11	Y Zhou	6	6
		Sebastian Eriksson	4	4											8	C Williams	1	4
		Roh Ho-young	6	6					H-y Roh	4	3
		Keegan Rice	4	3				8	C Williams	6	6
	8	Cooper Williams	6	6

	First round							Second round							Third round							Quarterfinals
	3	Alexander Blockx	6	6
		Federico Bondioli	0	3				3	A Blockx	6	6
		Matic Križnik	65	5					A Karahan	4	4
		Atakan Karahan	77	7											3	A Blockx	6	6
		Zoran Ludoški	7	7											15	A Dzhenev	2	2
	WC	Zachary Viiala	5	5					Z Ludoški	5	66
		Kaylan Bigun	3	6	67			15	A Dzhenev	7	78
	15	Adriano Dzhenev	6	2	710																	3	A Blockx	67	77	6
	10	João Fonseca	6	6																		10	J Fonseca	79	65	3
		Aryan Shah	1	2				10	J Fonseca	7	6
	WC	Hugh Winter	0	2					V Kalina	5	3
		Vít Kalina	6	6											10	J Fonseca	6	6
		Volodymyr Iakubenko	77	63	4										6	R Sakamoto	3	4
		Tiago Pires	65	77	6				T Pires	6	64	4
		David Fix	3	3				6	R Sakamoto	4	77	6
	6	Rei Sakamoto	6	6

	First round							Second round							Third round							Quarterfinals
	5	Mihai Alexandru Coman	78	3	6
	Q	Lorenzo Carboni	66	6	4			5	MA Coman	64	1
		Charlie Camus	4	4					T Berkieta	77	6
		Tomasz Berkieta	6	6												T Berkieta	77	6
	Q	Ruslan Tiukaev	6	6											Q	R Tiukaev	63	4
	Q	Reiya Hattori	4	3				Q	R Tiukaev	6	6
	WC	Nicolas Oliveira	6	1	1			9	M Mrva	3	4
	9	Maxim Mrva	3	6	6																		T Berkieta	3	6	710
	14	Kevin Edengren	4	3																		4	A Gea	6	2	68
		Patrick Schön	6	6					P Schön	3	6	3
	WC	Pavle Marinkov	6	7				WC	P Marinkov	6	1	6
		Joel Schwärzler	4	5											WC	P Marinkov	6	3	2
		Yuvan Nandal	2	6	5										4	A Gea	4	6	6
		Alexander Frusina	6	3	3r				Y Nandal	6	1	2
	Q	Brendan Loh	1	2				4	A Gea	3	6	6
	4	Arthur Gea	6	6

	First round							Second round							Third round							Quarterfinals
	7	Hayato Matsuoka	0	3
		Learner Tien	6	6					L Tien	2	6	6
		Branko Đurić	5	2					F Cinà	6	2	4
		Federico Cinà	7	6												L Tien	6	6
		Chang Woo-hyuk	0	2												J Filip	0	2
		Jakub Filip	6	6					J Filip	6	6
	Q	Andrii Zimnokh	6	65	7			Q	A Zimnokh	3	3
	12	Hayden Jones	1	77	5																		L Tien	6	6
	16	Abel Forger	2	6	710																	2	I Radulov	0	0
		Meecah Bigun	6	1	68			16	A Forger	4	2
		Oliver Ojakäär	77	6					O Ojakäär	6	6
	WC	Marcus Schoeman	65	4												O Ojakäär	5	3
	Q	Zhang Tianhui	2	6	6										2	I Radulov	7	6
		Emilien Demanet	6	3	4			Q	T Zhang	4	62
	WC	Yuta Tomida	6	4	2			2	I Radulov	6	77
	2	Iliyan Radulov	4	6	6

	First round							Qualifying competition
	1	Adhithya Ganesan	6	3	6
	WC	Cruz Hewitt	1	6	2
								1	Adhithya Ganesan	1	77	4
								13	Andrii Zimnokh	6	64	6
		Rohan Hazratwala	1	3
	13	Andrii Zimnokh	6	6

	First round							Qualifying competition
	2	Diego Quispe-Kim	5	6	4
		Brendan Loh	7	3	6
									Brendan Loh	6	6
								16	Kriish Tyagi	4	4
	WC	Shu Muto	4	2
	16	Kriish Tyagi	6	6

	First round							Qualifying competition
	3	Segundo Goity Zapico	77	4	6
		Jake Dembo	64	6	1
								3	Segundo Goity Zapico	2	6	61
								12	Felipe Virgili Berini	6	3	77
		Takamasa Mishiro	1	2
	12	Felipe Virgili Berini	6	6

	First round							Qualifying competition
	4	Liam Drover-Mattinen	6	6
		Lachlan McFadzean	3	0
								4	Liam Drover-Mattinen	4	4
								11	Zhang Tianhui	6	6
		Shingo Masuda	2	0
	11	Zhang Tianhui	6	6

	First round							Qualifying competition
	5	Reiya Hattori	77	6
		Alexander Despoja	65	4
								5	Reiya Hattori	6	1	6
								9	Park Seung-min	3	6	3
		Gustavs Dambiņš	2	4
	9	Park Seung-min	6	6

	First round							Qualifying competition
	6	Michal Krajči	6	6
		Kwok Shun Dasson Chan	0	1
								6	Michal Krajči	4	1
								14	Ruslan Tiukaev	6	6
		Henry Lamchinniah	3	2
	14	Ruslan Tiukaev	6	6

	First round							Qualifying competition
	7	Goran Zgoła	6	7
		Cooper Errey	0	5
								7	Goran Zgoła	1	7	6
								15	Aayush P Bhat	6	5	3
		Iannis Miletich	3	6	4
	15	Aayush P Bhat	6	1	6

	First round							Qualifying competition
	8	Jules Leroux	7	6
		Daksh Prasad	5	3
								8	Jules Leroux	6	2	4
								10	Lorenzo Carboni	1	6	6
	WC	Cristian Care	4	3
	10	Lorenzo Carboni	6	6

• Draw at ITFtennis.com
• [1] at ausopen.com