The 2018 Australian Open wildcard playoffs and entries are a group of events and internal selections to choose the eight men and eight women singles wildcard entries for the 2018 Australian Open, as well as seven male and seven female doubles teams plus eight mixed-doubles teams.

Country	Name	Method of Qualification
USA	Tim Smyczek	American Wildcard Challenge
KOR	Kwon Soon-woo	Asia-Pacific Wildcard Playoff
FRA	Corentin Moutet	French internal selection
AUS	Alex De Minaur	Australian Wildcard Playoff
AUS	Thanasi Kokkinakis	Australian internal selection
AUS	Alex Bolt	Australian internal selection
AUS	Jason Kubler	Australian internal selection
AUS	Alexei Popyrin	Australian internal selection

Country	Name	Method of Qualification
USA	Kristie Ahn[a]	American Wildcard Challenge
CHN	Wang Xinyu	Asia-Pacific Wildcard Playoff
FRA	Jessika Ponchet	French internal selection
AUS	Destanee Aiava	Australian Wildcard Playoff
AUS	Olivia Rogowska	Australian Wildcard Challenge
AUS	Jaimee Fourlis	Australian 18/U Championships
AUS	Ajla Tomljanović[b]	Australian internal selection
AUS	Lizette Cabrera	Australian internal selection

Country	Name	Method of Qualification
THA  THA	Sanchai Ratiwatana Sonchat Ratiwatana	Asia-Pacific Wildcard Playoff
AUS  AUS	Sam Groth Lleyton Hewitt	Australian internal selection
AUS  AUS	Alex Bolt Bradley Mousley	Australian internal selection
AUS  AUS	Alex de Minaur James Duckworth	Australian internal selection
AUS  AUS	Matthew Ebden John Millman	Australian internal selection
AUS  AUS	Thanasi Kokkinakis Jordan Thompson	Australian internal selection
AUS  AUS	Max Purcell Luke Saville	Australian internal selection

Country	Name	Method of Qualification
CHN  CHN	Jiang Xinyu Tang Qianhui	Asia-Pacific Wildcard Playoff
AUS  AUS	Alison Bai Zoe Hives	Australian Wildcard Challenge
AUS  AUS	Astra Sharma Belinda Woolcock	Australian Wildcard Playoff
AUS  AUS	Naiktha Bains Isabelle Wallace	Australian internal selection
AUS  AUS	Kimberly Birrell Jaimee Fourlis	Australian internal selection
AUS  AUS	Priscilla Hon Ajla Tomljanović	Australian internal selection
AUS  AUS	Jessica Moore Ellen Perez	Australian internal selection

Country	Name	Method of Qualification
AUS  AUS	Monique Adamczak Matthew Ebden	Australian internal selection
AUS  AUS	Lizette Cabrera Alex Bolt	Australian internal selection
AUS  AUS	Zoe Hives Bradley Mousley	Australian internal selection
AUS  AUS	Priscilla Hon Matt Reid	Australian internal selection
AUS  AUS	Ellen Perez Andrew Whittington	Australian internal selection
AUS  AUS	Arina Rodionova John-Patrick Smith	Australian internal selection
AUS  AUS	Storm Sanders Marc Polmans	Australian internal selection
AUS  AUS	Samantha Stosur Sam Groth	Australian internal selection

The USTA awarded a wildcard to the man and woman that earned the most ranking points across a group of three ATP/Challenger hardcourt events in the October and November 2017. For the men, the events included ATP Paris, $75K Canberra, $75K Charlottesville, $75K+H Shenzhen, €106K+H Bratislava, €85K+H Mouilleron-le-Captif, $50K+H Kobe, $75K Knoxville, $75K Champaign and $50K+H Pune events. For the women, the events included $80K Macon, $80K Tyler and $80K Waco. Only the best two results from the three weeks of challengers were taken into account with the winners being Tim Smyczek and Taylor Townsend.^[a]

Tennis Australia awarded a singles wildcard and a doubles wildcard to the Australian women that earned the most ranking points across a group of two ITF hardcourt events in the October and November 2017. The events included the 2017 Canberra Tennis International and the 2017 Bendigo Women's International. The winners of the wildcards were Olivia Rogowska, and Alison Bai and Zoe Hives, respectively.

The Asia-Pacific Australian Open Wildcard Play-off featured 16-players in the men's and women's singles draws and took place from 29 November to 3 December 2017 at Hengqin International Tennis Centre in Zhuhai, China.

	First round							Quarterfinals							Semifinals							Final
	1	S-w Kwon	7	6
	Q	L Zhao	5	1				1	S-w Kwon	w/o
	5	T-h Yang	4	7	4			Q	V Vardhan
	Q	V Vardhan	6	5	6										1	S-w Kwon	6	6
	3	Y Takahashi	6	6											8	H Moriya	1	1
	WC	Xia Zihao	1	1				3	Y Takahashi	6	3	5
	8	H Moriya	7	6				8	H Moriya	3	6	7
		S Balaji	5	0																		1	S-w Kwon	6	6
	Q	J Karimov	7	6																		4	Z Li	1	1
	6	S Nagal	5	4				Q	J Karimov	3	1
	Q	Yo Watanuki	3	2				4	Z Li	6	6
	4	Z Li	6	6											4	Z Li	4	6	6
	WC	Wu Hao	4	2											7	Zh Zhang	6	4	4
	7	Zh Zhang	6	6				7	Zh Zhang	w/o
	WC	W Trongcharoenchaikul	5	4				2	Ze Zhang
	2	Ze Zhang	7	6

	First round							Quarterfinals							Semifinals							Final
	1	M Doi	6	77
	Q	E Sema	1	63				1	M Doi	6	6
	6	K-c Chang	6	6				6	K-c Chang	3	2
	Q	A Omae	3	3											1	M Doi	6	4	3
	4	M Imanishi	2	7	1										WC	Xin Wang	1	6	6
	WC	Xin Wang	6	5	6			WC	Xin Wang	6	6
	8	H Kuwata	7	3	2			Q	X Sun	2	1
	Q	X Sun	5	6	6																	WC	Xin Wang	4	7	6
		M Inoue	6	6																		WC	A Tere-Apisah	6	5	4
	7	A Shimizu	3	2					M Inoue	3	4
	WC	A Tere-Apisah	6	6				WC	A Tere-Apisah	6	6
	3	J Namigata	2	1											WC	A Tere-Apisah	6	6
	WC	F Xun	5	6	62										2	Jin Lu	1	1
	5	X Gao	7	4	77			5	X Gao	0	2
		R Sawayanagi	3r					2	Jin Lu	6	6
	2	Jin Lu	5

	First round							Quarterfinals							Semifinals							Final
								1	Sa Ratiwatana So Ratiwatana	6	6
		C-p Hsieh T-h Yang	6	6					C-p Hsieh T-h Yang	4	3
		H-y Peng Zh Zhang	4	4											1	Sa Ratiwatana So Ratiwatana	79	6
															4	T Matsui C-h Yi	64	1
								4	T Matsui C-h Yi	4	6	[10]
		M Gong Ze Zhang	61	6	[10]				M Gong Ze Zhang	6	3	[4]
		Wu Hao Xia Zihao	77	3	[5]																	1	Sa Ratiwatana So Ratiwatana	78	6
	WC	Du Ye Gao Qun	79	2	[10]																	2	J Nedunchezhiyan C Rungkat	66	3
		S-w Kwon Z Li	67	6	[6]				Y Du Q Gao	4	2
								3	S Balaji V Vardhan	6	6
															3	S Balaji V Vardhan	2	3
		H Moriya Y Takahashi	6	6											2	J Nedunchezhiyan C Rungkat	6	6
	WC	Zheng Yanjie Zhou Xinmu	0	2					H Moriya Y Takahashi	6	3	[5]
								2	J Nedunchezhiyan C Rungkat	3	6	[10]

	First round							Quarterfinals							Semifinals							Final
								1	Jin Lu Q Ye	4	6	[10]
	WC	Wang Jiaqi Zhou Keyi	3	3				WC	X Sun M Wang	6	3	[6]
	WC	X Sun M Wang	6	6											1	Jin Lu Q Ye	2	6	[4]
															4	J Namigata R Sawayanagi	6	4	[10]
								4	J Namigata R Sawayanagi	6	6
		X Gao F Xun	3	3					M Inoue K Takahata	2	4
		M Inoue K Takahata	6	6																		4	J Namigata R Sawayanagi	6	0	[4]
		M Imanishi A Omae	6	77																		2	X Jiang Q Tang	2	6	[10]
	WC	B Gumulya J Rompies	2	64					M Imanishi A Omae	7	6
								3	K-c Chang H Kuwata	5	4
																M Imanishi A Omae	63	4
		E Sema A Tere-Apisah	6	3	[10]										2	X Jiang Q Tang	77	6
	WC	M Kobori A Shimizu	4	6	[7]				E Sema A Tere-Apisah	3	6	[7]
								2	X Jiang Q Tang	6	1	[10]

The December Showdown is held annually for two weeks in December. The Showdown includes age championships for 12/u, 14/u, 16/u and 18/u age categories. It also hosts the 2018 Australian Wildcard Playoff which will be held from 11–17 December 2017 at Melbourne Park, offering a main draw singles wildcard for men and women and a main draw women's doubles wildcard. The winner of the girls' 18/u championship will also be given a main draw wildcard into the 2018 Australian Open.

	First round									Quarterfinals									Semifinals									Final
	1	A Bolt	67	6	6	5	6
	WC	Benard Nkomba	79	2	4	7	2			1	A Bolt	6	6	6
	WC	Alexander Crnokrak	6	1	6	6				WC	A Crnokrak	1	3	3
	7	B Mousley	4	6	3	4													1	A Bolt	77	6	77
	3	A Whittington	67	77	77	1	6												8	M Polmans	63	4	64
	WC	Gavin van Peperzeel	79	64	65	6	4			3	A Whittington	62	4	6	2
		L Saville	64	66	3					8	M Polmans	77	6	4	6
	8	M Polmans	77	78	6																							1	A Bolt	2	4	77	1
	5	O Jasika	6	6	6																							2	A De Minaur	6	6	61	6
	Alt	Matthew Dellavedova	4	4	3					5	O Jasika	77	3	6	4	6
	WC	B Ellis	77	4	3	4				9	C O'Connell	62	6	1	6	4
	9	C O'Connell	64	6	6	6													5	O Jasika	6	1	2	0
	6	M Banes	77	3	3	64													2	A De Minaur	3	6	6	6
	Alt	M Barton	64	6	6	77				Alt	M Barton	2	1	2
		H Bourchier	2	0	1					2	A De Minaur	6	6	6
	2	A De Minaur	6	6	6

	First round							Quarterfinals							Semifinals							Final
	1	Ar Rodionova	77	6
		S Tomic	62	4				1	Ar Rodionova	6	0	6
		A Bai	5	6	6			8	O Tjandramulia	3	6	4
	8	O Tjandramulia	7	4	8										1	Ar Rodionova	6	3	5
	3	T Patterson	4	6	6										3	T Patterson	4	6	7
		M Haet	6	0	0			3	T Patterson	6	4	6
	WC	B Woolcock	1	77	3			5	N Bains	3	6	4
	5	N Bains	6	63	6																	3	T Patterson	4	0
	7	An Rodionova	3	3																		2	D Aiava	6	6
	WC	A Bozovic	6	6				WC	A Bozovic	4	1
	WC	M Inglis	4	6	2			4	K Birrell	6	6
	4	K Birrell	6	4	6										4	K Birrell	4	1
	6	Z Hives	6	6											2	D Aiava	6	6
		A Sharma	3	4				6	Z Hives	2	7	0
	WC	M Jovanovic	6	3	2			2	D Aiava	6	5	6
	2	D Aiava	4	6	6

	First round							Semifinals							Final
	1	Jessica Moore Ellen Perez	6	6
		Masa Jovanovic Alexandra Walters	3	4				1	Jessica Moore Ellen Perez	5	6	[7]
	4	Astra Sharma Belinda Woolcock	6	6				4	Astra Sharma Belinda Woolcock	7	4	[10]
	WC	Olivia Gadecki Kaitlin Staines	4	3											4	Astra Sharma Belinda Woolcock	6	3	[10]
		Kimberly Birrell Jaimee Fourlis	6	7											2	Destanee Aiava Tammi Patterson	1	6	[3]
	3	Naiktha Bains Sara Tomic	2	5					Kimberly Birrell Jaimee Fourlis	4	4
	WC	Alexandra Bozovic Maddison Inglis	2	4				2	Destanee Aiava Tammi Patterson	6	6
	2	Destanee Aiava Tammi Patterson	6	6

	Quarterfinals							Semifinals							Final
	1	Destanee Aiava	6	6
	5	Renee McBryde	2	3
								1	Destanee Aiava	6	6
									Amber Marshall	1	1
		Amber Marshall	1	6	6
	4	Gabriella Da Silva-Fick	6	3	2
															1	Destanee Aiava	77	61	5
															2	Jaimee Fourlis	64	77	7
	3	Alexandra Bozovic	6	6
	Q	Helena Spiridis	3	4
								3	Alexandra Bozovic	2	3
								2	Jaimee Fourlis	6	6
		Olivia Gadecki	2	2
	2	Jaimee Fourlis	6	6

• Asia/Pacific Wildcard Playoff
• Australian Wildcard Playoff
• USTA Wildcard Challenge