2018 Australian Open
The 2018 Australian Open was a tennis tournament played at Melbourne Park between 15 and 28 January 2018, and was the first Grand Slam tournament of the 2018 season. The tournament consisted of events for professional players in singles, doubles and mixed doubles. Junior and wheelchair players compete in singles and doubles tournaments. Roger Federer was the defending champion in the men's singles event and successfully retained his title, his record twentieth Grand Slam major overall, defeating Marin Čilić in the final, while Caroline Wozniacki won the women's title, defeating Simona Halep in the final to win her first Grand Slam.
The tournament was the 106th edition of the event. Additionally, it was the 200th Major tournament of the Open Era. It also marked the 30th anniversary of the Australian Open moving from the Kooyong Tennis Club to Melbourne Park. The tournament had a record attendance of 743,667 spectators.
Tournament
The 2018 Australian Open was the 106th edition of the tournament and was held at Melbourne Park in Melbourne, Victoria, Australia.The tournament was run by the International Tennis Federation and was part of the 2018 ATP World Tour and the 2018 WTA Tour calendars under the Grand Slam category. The tournament consisted of both men's and women's singles and doubles draws as well as a mixed doubles event. There were singles and doubles events for both boys and girls, which were part of the Grade A category of tournaments, and also singles, doubles and quad events for men's and women's wheelchair tennis players as part of the NEC tour under the Grand Slam category.
The tournament was played on hard courts over a series of 25 courts, including the three main show courts: Rod Laver Arena, Hisense Arena and Margaret Court Arena.
Point and prize money distribution
Point distribution
Below is a series of tables for each of the competitions showing the ranking points offered for each event.Prize money
The Australian Open total prize money for 2018 was increased by 10% to a tournament record A$55,000,000.| Event | W | F | SF | QF | Round of 16 | Round of 32 | Round of 64 | Q3 | Q2 | Q1 | |
| Singles | A$4,000,000 | A$2,000,000 | A$880,000 | A$440,000 | A$240,000 | A$142,500 | A$90,000 | A$60,000 | A$30,000 | A$15,000 | A$7,500 |
| Doubles * | A$750,000 | A$375,000 | A$185,000 | A$90,000 | A$45,000 | A$22,500 | A$14,000 | ||||
| Mixed doubles * | A$160,000 | A$80,000 | A$40,000 | A$20,000 | A$10,000 | A$5,000 |
1Qualifiers prize money was also the Round of 128 prize money.
Singles players
;2018 Australian Open – Men's singles;2018 Australian Open – Women's singles
Champions
Seniors
Men's singles
Roger Federer def. Marin Čilić, 6–2, 6–7, 6–3, 3–6, 6–1Women's singles
Caroline Wozniacki def. Simona Halep, 7–6, 3–6, 6–4Men's doubles
Oliver Marach / Mate Pavić def. Juan Sebastián Cabal / Robert Farah, 6–4, 6–4Women's doubles
Tímea Babos / Kristina Mladenovic def. Ekaterina Makarova / Elena Vesnina, 6–4, 6–3Mixed doubles
Gabriela Dabrowski / Mate Pavić def. Tímea Babos / Rohan Bopanna, 2–6, 6–4,Juniors
Boys' singles
Sebastian Korda def. Tseng Chun-hsin, 7–6, 6–4Girls' singles
Liang En-shuo def. Clara Burel, 6–3, 6–4Boys' doubles
Hugo Gaston / Clément Tabur def. Rudolf Molleker / Henri Squire, 6–2, 6–2Girls' doubles
Liang En-shuo / Wang Xinyu def. Violet Apisah / Lulu Sun, 7–6, 4–6,Wheelchair events
Wheelchair men's singles
Shingo Kunieda def. Stéphane Houdet, 4–6, 6–1, 7–6Wheelchair women's singles
Diede de Groot def. Yui Kamiji, 7–6, 6–4Wheelchair quad singles
Dylan Alcott def. David Wagner, 7–6, 6–1Wheelchair men's doubles
Stéphane Houdet / Nicolas Peifer def. Alfie Hewett / Gordon Reid, 6–4, 6–2Wheelchair women's doubles
Marjolein Buis / Yui Kamiji def. Diede de Groot / Aniek van Koot, 6–0, 6–4Wheelchair quad doubles
Dylan Alcott / Heath Davidson def. Andrew Lapthorne / David Wagner, 6–0, 6–7,Singles seeds
The following are the seeded players and notable players who have withdrawn from the event. Seedings are arranged according to ATP and WTA rankings on 8 January 2018, while ranking and points before are as of 15 January 2018. Points after are as of 29 January 2018.Men's singles">2018 Australian Open – Men's singles">Men's singles
The following players would have been seeded, but they withdrew from the event.| Rank | Player | Points before | Points defending | Points after | Withdrawal reason |
| 19 |  Women's singles">2018 Australian Open – Women's singles">Women's singlesThe following players would have been seeded, but they withdrew or not entered from the event. |
