Seniors points

Junior points

Wheelchair points

Men's singles

Novak Djokovic was the defending champion^[10] and won in the final 5–7, 6–4, 6–2, 6–7^(5–7), 7–5 against Rafael Nadal entering the season as reigning world number 1 for the first time of his career. It was the longest match in the history of the Australian Open, and in fact, the longest ever singles final in the Open Era in Grand Slam history; clocked at 5 hours and 53 minutes and ending after midnight with Nadal memorable saying after the match "good morning."^[11] It marked the fifth Grand Slam of Djokovic's career and his 3rd Australian Open. It also marked the first time that he had defended a Grand Slam title. After winning the 2012 Australian Open, Djokovic had an opportunity to become the first man since Rod Laver in 1969 to hold all four Grand Slams at the same time, after winning the previous two in 2011. Nadal became the first player to lose in the final of three consecutive Grand Slams in the Open Era.^[12]

Championship match result Novak Djokovic defeated Rafael Nadal, 5–7, 6–4, 6–2, 6–7^(5–7), 7–5

Women's singles

Victoria Azarenka won her first Grand Slam title, becoming the first Belarusian player to win a Grand Slam in singles, by defeating Maria Sharapova in the final. She also became the 21st player to be ranked World No. 1 by the Women's Tennis Association on 30 January 2012 as a result of this win. It was Azarenka's 2nd title of the year and 10th of her career.

Championship match result Victoria Azarenka defeated Maria Sharapova, 6–3, 6–0

Men's doubles

Leander Paes / Radek Štěpánek defeated Bob Bryan / Mike Bryan, 7–6^(7–1), 6–2

Women's doubles

Svetlana Kuznetsova / Vera Zvonareva defeated Sara Errani / Roberta Vinci, 5–7, 6–4, 6–3

Mixed doubles

Bethanie Mattek-Sands / Horia Tecău defeated Elena Vesnina / Leander Paes, 6–3, 5–7, [10–3]

Boys' singles

Luke Saville defeated Filip Peliwo, 6–3, 5–7, 6–4

Girls' singles

Taylor Townsend defeated Yulia Putintseva, 6–1, 3–6, 6–3

Boys' doubles

Liam Broady / Joshua Ward-Hibbert defeated Adam Pavlásek / Filip Veger, 6–3, 6–2

Girls' doubles

Gabrielle Andrews / Taylor Townsend defeated Irina Khromacheva / Danka Kovinić, 5–7, 7–5, [10–6]

Wheelchair men's singles

Maikel Scheffers defeated Nicolas Peifer, 3–6, 7–6^(7–2), 6–0

Wheelchair women's singles

Esther Vergeer defeated Aniek van Koot, 6–0, 6–0

Wheelchair quad singles

Peter Norfolk defeated David Wagner, 4–6, 6–4, 6–2

Wheelchair men's doubles

Ronald Vink / Robin Ammerlaan defeated Stéphane Houdet / Nicolas Peifer, 6–2, 4–6, 6–1

Wheelchair women's doubles

Esther Vergeer / Sharon Walraven defeated Aniek van Koot / Marjolein Buis, 4–6, 6–2, 6–4

Wheelchair quad doubles

Andrew Lapthorne / Peter Norfolk defeated David Wagner / Noam Gershony, 6–4, 6–2

Singles seeds

Seeds and Rankings are as of 9 January 2012 and Points are as of 16 January 2012.^[14]

Men's singles

More information Sd, Rk ...

Sd	Rk[15]	Player[16]	Points[15]	Points defending	Points won	New points	Status
1	1	Novak Djokovic	13,630	2,000	2,000	13,630	Champion, won in the final against Rafael Nadal [2]
2	2	Rafael Nadal	9,595	360	1,200	10,435	Runner-up, Final lost to Novak Djokovic [1]
3	3	Roger Federer	8,010	720	720	8,010	Semifinals lost to Rafael Nadal [2]
4	4	Andy Murray	7,380	1,200	720	6,900	Semifinals lost to Novak Djokovic [1]
5	5	David Ferrer	4,925	720	360	4,565	Quarterfinals lost to Novak Djokovic [1]
6	6	Jo-Wilfried Tsonga	4,335	90	180	4,425	Fourth round lost to Kei Nishikori [24]
7	7	Tomáš Berdych	3,700	360	360	3,700	Quarterfinals lost to Rafael Nadal [2]
8	8	Mardy Fish	2,965	45	45	2,965	Second round lost to Alejandro Falla
9	9	Janko Tipsarević	2,655	45	90	2,700	Third round lost to Richard Gasquet [17]
10	10	Nicolás Almagro	2,380	180	180	2,380	Fourth round lost to Tomáš Berdych [7]
11	11	Juan Martín del Potro	2,315	45	360	2,630	Quarterfinals lost to Roger Federer [3]
12	12	Gilles Simon	2,005	45	45	2,005	Second round lost to Julien Benneteau
13	14	Alexandr Dolgopolov	2,030	360	90	1,760	Third round lost to Bernard Tomic
14	15	Gaël Monfils	1,970	90	90	1,970	Third round lost to Mikhail Kukushkin
15	16	Andy Roddick	1,880	180	45	1,745	Second round retired against Lleyton Hewitt [WC]
16	17	John Isner	1,800	90	90	1,800	Third round lost to Feliciano López [18]
17	18	Richard Gasquet	1,765	90	180	1,855	Fourth round lost to David Ferrer [5]
18	19	Feliciano López	1,755	45	180	1,890	Fourth round lost to Rafael Nadal [2]
19	21	Viktor Troicki	1,595	90	45	1,550	Second round lost to Mikhail Kukushkin
20	22	Florian Mayer	1,630	45	0	1,585	withdrew due to hip strain[17]
21	23	Stan Wawrinka	1,615	360	90	1,345	Third round lost to Nicolás Almagro [10]
22	24	Fernando Verdasco	1,550	180	10	1,380	First round lost to Bernard Tomic
23	25	Milos Raonic	1,460	205	90	1,345	Third round lost to Lleyton Hewitt [WC]
24	26	Kei Nishikori	1,410	90	360	1,680	Quarterfinals lost to Andy Murray [4]
25	27	Juan Mónaco	1,335	45	10	1,300	First round lost to Philipp Kohlschreiber
26	28	Marcel Granollers	1,315	10	45	1,350	Second round lost to Frederico Gil
27	29	Juan Ignacio Chela	1,270	10	90	1,350	Third round lost to David Ferrer [5]
28	30	Ivan Ljubičić	1,270	90	10	1,190	First round lost to Lukáš Lacko [Q]
29	31	Radek Štěpánek	1,230	45	10	1,195	First round lost to Nicolas Mahut
30	32	Kevin Anderson	1,190	10	90	1,270	Third round lost to Tomáš Berdych [7]
31	33	Jürgen Melzer	1,170	180	10	1,000	First round lost to Ivo Karlović
32	34	Alex Bogomolov Jr.	1,135	45	45	1,135	Second round lost to Michaël Llodra

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Withdrawn players (men's singles)

More information Rank, Player ...

Rank	Player	Points	Points defending	New points	Withdrew due to
13	Robin Söderling	2,120	180	1,940	mononucleosis[18]
20	Marin Čilić	1,665	180	1,485	patella tendon injury[19]

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Women's singles

More information Sd, Rk ...

Sd	Rk[15]	Player[16]	Points[15]	Points defending	Points won	New points	Status
1	1	Caroline Wozniacki	7,485	900	500	7,085	Quarterfinals lost to Kim Clijsters [11]
2	2	Petra Kvitová	7,290	500	900	7,690	Semifinals lost to Maria Sharapova [4]
3	3	Victoria Azarenka	6,865	280	2,000	8,585	Champion, won in the final against Maria Sharapova [4]
4	4	Maria Sharapova	6,440	280	1,400	7,560	Runner-up, Final lost to Victoria Azarenka [3]
5	5	Li Na	5,570	1,400	280	4,450	Fourth round lost to Kim Clijsters [11]
6	6	Samantha Stosur	5,585	160	5	5,430	First round lost to Sorana Cîrstea
7	7	Vera Zvonareva	5,435	900	160	4,695	Third round lost to Ekaterina Makarova
8	8	Agnieszka Radwańska	5,330	500	500	5,330	Quarterfinals lost to Victoria Azarenka [3]
9	9	Marion Bartoli	4,710	100	160	4,770	Third round lost to Zheng Jie
10	11	Francesca Schiavone	4,040	500	100	3,640	Second round lost to Romina Oprandi
11	12	Kim Clijsters	3,041	2,000	900	1,941	Semifinals lost to Victoria Azarenka [3]
12	13	Serena Williams	3,300	0	280	3,580	Fourth round lost to Ekaterina Makarova
13	14	Jelena Janković	3,115	100	280	3,295	Fourth round lost to Caroline Wozniacki [1]
14	15	Sabine Lisicki	2,903	(40)	280	3,143	Fourth round lost to Maria Sharapova [4]
15	16	Anastasia Pavlyuchenkova	2,795	160	100	2,735	Second round lost to Vania King
16	17	Peng Shuai	2,760	280	100	2,580	Second round lost to Iveta Benešová
17	18	Dominika Cibulková	2,695	160	100	2,635	Second round lost to Gréta Arn
18	19	Svetlana Kuznetsova	2,646	280	160	2,526	Third round lost to Sabine Lisicki [14]
19	20	Flavia Pennetta	2,570	280	5	2,295	First round lost to Nina Bratchikova [Q]
20	21	Daniela Hantuchová	2,295	5	160	2,450	Third round lost to Kim Clijsters [11]
21	22	Ana Ivanovic	2,260	5	280	2,535	Fourth round lost to Petra Kvitová [2]
22	23	Julia Görges	2,225	160	280	2,345	Fourth round lost to Agnieszka Radwańska [8]
23	24	Roberta Vinci	2,115	5	100	2,210	Second round lost to Zheng Jie
24	25	Lucie Šafářová	2,120	160	5	1,965	First round lost to Christina McHale
25	26	Kaia Kanepi	2,049	100	100	2,049	Second round lost to Ekaterina Makarova
26	27	Anabel Medina Garrigues	1,950	5	160	2,105	Third round retired against Li Na [5]
27	28	Maria Kirilenko	1,930	100	160	1,990	Third round retired against Petra Kvitová [2]
28	29	Yanina Wickmayer	2,050	100	5	1,955	First round lost to Galina Voskoboeva
29	30	Nadia Petrova	1,765	160	100	1,705	Second round lost to Sara Errani
30	31	Angelique Kerber	1,810	5	160	1,965	Third round lost to Maria Sharapova [4]
31	32	Monica Niculescu	1,725	160	160	1,725	Third round lost to Caroline Wozniacki [1]
32	33	Petra Cetkovská	1,666	(18)	100	1,748	Second round lost to Mona Barthel

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Withdrawn players (women's singles)

More information Rank, Player ...

Rank	Player	Points	Points defending	New points	Withdrew due to
10	Andrea Petkovic	4,500	500	4,000	stress fracture[20]

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Main draw wildcard entries

Protected ranking

Qualifying entries

Singles seeds

More information Sd, Player ...

Boys' singles Sd Player 1 Luke Saville 2 Thiago Monteiro 3 Liam Broady 4 Kaichi Uchida 5 Frederico Ferreira Silva 6 Andrew Harris 7 Kyle Edmund 8 Stefano Napolitano 9 Nikola Milojević 10 Adam Pavlásek 11 Kimmer Coppejans 12 Julien Cagnina 13 Nick Kyrgios 14 Connor Farren 15 Herkko Pöllänen 16 Karim Hossam

Girls' singles Sd Player 1 Irina Khromacheva 2 Eugenie Bouchard 3 Anett Kontaveit 4 Yulia Putintseva 5 Indy de Vroome 6 Elizaveta Kulichkova 7 Danka Kovinić 8 Anna Karolína Schmiedlová 9 Zheng Saisai 10 Ilka Csöregi 11 Zuzanna Maciejewska 12 Sabina Sharipova 13 Donna Vekić 14 Taylor Townsend 15 Varvara Flink 16 Kyle McPhillips

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Singles seeds