Girls' singles
2017 Australian Open
Champion	Marta Kostyuk
Runner-up	Rebeka Masarova
Score	7–5, 1–6, 6–4

Vera Lapko was the defending champion, but was no longer eligible to participate. Lapko competed in the women's singles qualifying but lost in the second round to Ons Jabeur.

Ukrainian Marta Kostyuk won the title, defeating Rebeka Masarova in the final, 7–5, 1–6, 6–4.

Seeds

Draw

Finals

	Quarterfinals							Semifinals							Final
	1	Rebeka Masarova	6	6
	10	Mai Hontama	3	1
								1	Rebeka Masarova	4	77	6
								7	Bianca Andreescu	6	65	0
	4	Emily Appleton	2	2
	7	Bianca Andreescu	6	6
															1	Rebeka Masarova	5	6	4
															11	Marta Kostyuk	7	1	6
	11	Marta Kostyuk	6	6
		Liang En-shuo	3	1
								11	Marta Kostyuk	6	7
								16	Elena Rybakina	1	5
		Zeel Desai	4	3
	16	Elena Rybakina	6	6

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
	1	Rebeka Masarova	6	7
	Q	Himari Sato	2	5				1	R Masarova	6	6
		Wang Xinyu	6	0					Xin Wang	4	3
		Maria Vittoria Viviani	2	0d											1	R Masarova	6	7
		Baijing Lin	7	4	7										13	C Branstine	2	5
		Malene Helgø	5	6	5				B Lin	5	6	3
	Q	Patricia Apisah	1	3				13	C Branstine	7	4	6
	13	Carson Branstine	6	6																		1	R Masarova	6	6
	10	Mai Hontama	6	6																		10	M Hontama	3	1
		Nicole Mossmer	1	3				10	M Hontama	6	6
		Mihika Yadav	6	6					M Yadav	2	1
	Q	Ali Collins	3	4											10	M Hontama	62	6	6
	Q	Ekaterina Vishnevskaya	6	6											Q	E Vishnevskaya	77	2	1
	WC	Lisa Mays	2	1				Q	E Vishnevskaya	6	1	6
		Chen Pei-hsuan	2	7	6				P-h Chen	4	6	1
	8	Iga Świątek	6	5	1

Section 2

	First round							Second round							Third round							Quarterfinals
	4	Emily Appleton	6	6
		Johana Marková	3	2				4	E Appleton	4	6	6
		Seone Mendez	6	6					S Mendez	6	3	2
	Q	Jimena Rodriguez-Benito	2	1											4	E Appleton	0	6	6
		Oleksandra Andrieieva	2	3											14	Y Naito	6	3	3
	Q	Eléonora Molinaro	6	6				Q	E Molinaro	6	1	3
	WC	Zoe Kruger	6	2	5			14	Y Naito	2	6	6
	14	Yuki Naito	2	6	7																	4	E Appleton	2	2
	12	Caty McNally	3	1																		7	B Andreescu	6	6
	SE	Gabriella Da Silva-Fick	6	6				SE	G Da Silva-Fick	3	3
		Mihaela Lorena Mărculescu	63	4				WC	C Yuan	6	6
	WC	Yuan Chengyiyi	77	6											WC	C Yuan	0	2
		Cho I-hsuan	65	6	6										7	B Andreescu	6	6
	WC	Ivana Popovic	77	2	2				I-h Cho	4	4
		Lisa Piccinetti	4	0				7	B Andreescu	6	6
	7	Bianca Andreescu	6	6

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
	6	Jodie Anna Burrage	2	6	6
		Federica Bilardo	6	1	3			6	JA Burrage	6	6
	WC	Michaela Haet	6	6				WC	M Haet	4	4
		Hurricane Tyra Black	3	4											6	JA Burrage	77	1	4
		Naho Sato	3	6	6										11	M Kostyuk	65	6	6
	Q	Lee Eun-hye	6	2	2				N Sato	1	6	2
		Mahak Jain	3	3				11	M Kostyuk	6	2	6
	11	Marta Kostyuk	6	6																		11	M Kostyuk	6	6
	15	Natasha Subhash	1	5																			E-s Liang	3	1
		Sofya Lansere	6	7					S Lansere	6	6
		Anri Nagata	5	6	6				A Nagata	3	3
	WC	Alexandra Bozovic	7	2	2											S Lansere	4	5
		Thasaporn Naklo	3	1												E-s Liang	6	7
		Liang En-shuo	6	6					E-s Liang	64	6	6
		Maja Chwalińska	7	2	3			3	Xiy Wang	77	3	1
	3	Wang Xiyu	5	6	6

Section 4

	First round							Second round							Third round							Quarterfinals
	5	Olga Danilović	6	5	6
	WC	Aleksa Cveticanin	1	7	2			5	O Danilović	6	6
		Lea Bošković	3	4					S Ma	3	1
		Ma Shuyue	6	6											5	O Danilović	5r
		Zeel Desai	6	3	7											Z Desai	3
		Kaitlin Staines	4	6	5				Z Desai	6	6
	Q	Jule Niemeier	77	4	8			Q	J Niemeier	4	2
	9	Ayumi Miyamoto	65	6	6																		Z Desai	4	3
	16	Elena Rybakina	6	7																		16	E Rybakina	6	6
		Lee Yang	3	5				16	E Rybakina	6	7
		Denisa Hindová	6	6					D Hindová	2	5
	WC	Selina Turulja	1	2											16	E Rybakina	6	6
		Tatiana Pieri	6	6											2	T Johnson	3	2
		Astrid Brune Olsen	2	3					T Pieri	77	4	4
		Violet Apisah	77	64	2			2	T Johnson	61	6	6
	2	Taylor Johnson	64	77	6

Qualifying

Draw

First qualifier

	First round							Qualifying competition
								1	Ali Collins	6	6
		Tayla Whitehouse	3	4				13	Nidhi Surapaneni	1	0
	13	Nidhi Surapaneni	6	6

Second qualifier

	First round							Qualifying competition
	2	Jule Niemeier	6	6
		Erika Bollweg	2	2
								2	Jule Niemeier	6	7
									Satoko Sueno	4	5
		Satoko Sueno	6	6
	14	Cho Yi-tsen	1	4

Third qualifier

	First round							Qualifying competition
	3	Lee Eun-hye	6	6
		Tenika McGiffin	4	4
								3	Lee Eun-hye	6	6
								16	Rika Tanaka	4	3
		Jazmin Walle	0	1
	16	Rika Tanaka	6	6

Fourth qualifier

	First round							Qualifying competition
	4	Eléonora Molinaro	6	6
		Sakura Hosogi	2	4
								4	Eléonora Molinaro	6	6
								12	Joanna Garland	4	0
		Isabella Bozicevic	2	2
	12	Joanna Garland	6	6

Fifth qualifier

	First round							Qualifying competition
	5	Alana Smith	3	64
		Hikaru Sato	6	77
									Hikaru Sato	1	7	4
									Patricia Apisah	6	5	6
		Patricia Apisah	2	6	6
	9	Lexie Stevens	6	2	0

Sixth qualifier

	First round							Qualifying competition
	6	Himari Sato	6	6
		Sina Züger	4	4
								6	Himari Sato	6	6
								11	Weronika Falkowska	2	3
		Annerly Poulos	2	6	2
	11	Weronika Falkowska	6	1	6

Seventh qualifier

	First round							Qualifying competition
	7	Ekaterina Vishnevskaya	6	6
		Tahlia van der Eerden	0	0
								7	Ekaterina Vishnevskaya	6	6
								15	Yang Yidi	4	3
		Megan Basson	2	2
	15	Yang Yidi	6	6

Eighth qualifier

	First round							Qualifying competition
	8	Ana Biškić	6	6
		Natsumi Shioya	4	2
								8	Ana Biškić	4	6	5
								10	Jimena Rodriguez-Benito	6	4	7
		Amber Marshall	4	2
	10	Jimena Rodriguez-Benito	6	6

External links

• Main draw Archived 2017-02-02 at the Wayback Machine at ausopen.com
• Draw Archived 2022-01-19 at the Wayback Machine at itftennis.com