2018 Australian Open – Main draw wildcard entries

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.

US Wildcard Challenge
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.

Australian Women's Wildcard Challenge
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.

Asia-Pacific Wildcard Playoff
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.

Seeds
• # 🇰🇷 Kwon Soon-woo (winner)

• # 🇨🇳 Zhang Ze (quarterfinals, withdrew)

• # 🇯🇵 Yusuke Takahashi (quarterfinals)

• # 🇨🇳 Li Zhe (final)

• # Yang Tsung-hua (first round)

• # 🇮🇳 Sumit Nagal (first round)

• # 🇨🇳 Zhang Zhizhen (semifinals)

• # 🇯🇵 Hiroki Moriya (semifinals)

Seeds
• # 🇯🇵 Misaki Doi (semifinals)

• # 🇨🇳 Lu Jingjing (semifinals)

• # 🇯🇵 Junri Namigata (first round)

• # 🇯🇵 Miharu Imanishi (first round)

• # 🇨🇳 Gao Xinyu (quarterfinals)

• # Chang Kai-chen (quarterfinals)

• # 🇯🇵 Ayano Shimizu (first round)

• # 🇯🇵 Hiroko Kuwata (first round)

Seeds
• # 🇹🇭 Sanchai Ratiwatana / 🇹🇭 Sonchat Ratiwatana (winners)

• # 🇮🇳 Jeevan Nedunchezhiyan / Christopher Rungkat (final)

• # 🇮🇳 Sriram Balaji / 🇮🇳 Vishnu Vardhan (semifinals)

• # 🇯🇵 Toshihide Matsui / Yi Chu-huan (semifinals)

Seeds
• # 🇨🇳 Lu Jingjing / 🇨🇳 Ye Qiuyu (semifinals)

• # 🇨🇳 Jiang Xinyu / 🇨🇳 Tang Qianhui (winners)

• # Chang Kai-chen / 🇯🇵 Hiroko Kuwata (quarterfinals)

• # 🇯🇵 Junri Namigata / 🇯🇵 Riko Sawayanagi (final)

Australian Wildcard Playoff
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.

Seeds
• # 🇦🇺 Alex Bolt (final)

• # 🇦🇺 Alex De Minaur (winner)

• # 🇦🇺 Andrew Whittington (quarterfinals)

• # 🇦🇺 Dayne Kelly (withdrew)

• # 🇦🇺 Omar Jasika (semifinals)

• # 🇦🇺 Maverick Banes (first round)

• # 🇦🇺 Bradley Mousley (first round)

• # 🇦🇺 Marc Polmans (semifinals)

• # 🇦🇺 Christopher O'Connell (quarterfinals)

Seeds
• # 🇦🇺 Arina Rodionova (semifinals)

• # 🇦🇺 Destanee Aiava (winner)

• # 🇦🇺 Tammi Patterson (final)

• # 🇦🇺 Kimberly Birrell (semifinals)

• # 🇦🇺 Naiktha Bains (quarterfinals)

• # 🇦🇺 Zoe Hives (quarterfinals)

• # 🇦🇺 Anastasia Rodionova (first round)

• # 🇦🇺 Olivia Tjandramulia (quarterfinals)

Seeds
• # 🇦🇺 Jessica Moore / 🇦🇺 Ellen Perez (semifinals)

• # 🇦🇺 Destanee Aiava / 🇦🇺 Tammi Patterson (final)

• # 🇦🇺 Naiktha Bains / 🇦🇺 Sara Tomic (first round)

• # 🇦🇺 Astra Sharma / 🇦🇺 Belinda Woolcock (winners)

Seeds
• # 🇦🇺 Destanee Aiava (final)

• # 🇦🇺 Jaimee Fourlis (winner)

• # 🇦🇺 Alexandra Bozovic (semifinals)

• # 🇦🇺 Gabriella Da Silva-Fick (quarterfinals)

• # 🇦🇺 Renee McBryde (quarterfinals)

• # 🇦🇺 Aleksa Cveticanin (round robin)

• # 🇦🇺 Laura Ashley (round robin)

• # 🇦🇺 Ivana Popovic (round robin)