The 2011 US Open was a tennis tournament played on the outdoor hard courts at the Billie Jean King National Tennis Center in Flushing Meadows Park, of Queens, New York City, United States. It began on August 29 and was originally scheduled to end on September 11, but the men's final was postponed to September 12 due to rain.

Quick Facts Date, Edition ...

2011 US Open
Date	August 29 – September 12
Edition	131st
Category	Grand Slam (ITF)
Surface	Hardcourt
Location	New York City, U.S.
Venue	USTA Billie Jean King National Tennis Center
Champions
Men's singles
Novak Djokovic
Women's singles
Samantha Stosur
Men's doubles
Jürgen Melzer / Philipp Petzschner
Women's doubles
Liezel Huber / Lisa Raymond
Mixed doubles
Melanie Oudin / Jack Sock
Wheelchair men's singles
Shingo Kunieda
Wheelchair women's singles
Esther Vergeer
Wheelchair quad singles
David Wagner
Wheelchair men's doubles
Stéphane Houdet / Nicolas Peifer
Wheelchair women's doubles
Esther Vergeer / Sharon Walraven
Wheelchair quad doubles
Nick Taylor / David Wagner
Boys' singles
Oliver Golding
Girls' singles
Grace Min
Boys' doubles
Robin Kern / Julian Lenz
Girls' doubles
Irina Khromacheva / Demi Schuurs
← 2010 · US Open · 2012 →

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Rafael Nadal and Kim Clijsters were the defending champions. Due to an abdominal muscle injury, Clijsters opted not to defend her title.

In the women's singles, Australia's Samantha Stosur defeated Serena Williams in straight sets 6–2, 6–3 for her first Grand Slam title. Stosur thus became the first Australian female player to win a Grand Slam since Evonne Goolagong Cawley in 1980.

In the men's singles, both Nadal and Novak Djokovic played the final for the second consecutive year. This time, Djokovic won 6–2, 6–4, 6–7^(3–7), 6–1 for his first US Open title.

Men's singles

More information Champion, Runner-up ...

Champion		Runner-up
Novak Djokovic [1]		Rafael Nadal [2]
Semifinals out
Roger Federer [3]		Andy Murray [4]
Quarterfinals out
Janko Tipsarević [20]	Jo-Wilfried Tsonga [11]	John Isner [28]	Andy Roddick [21]
4th round out
Alexandr Dolgopolov [22]	Juan Carlos Ferrero	Mardy Fish [8]	Juan Mónaco
Gilles Simon [12]	Donald Young (WC)	David Ferrer [5]	Gilles Müller
3rd round out
Nikolay Davydenko	Ivo Karlović (PR)	Tomáš Berdych [9]	Marcel Granollers [31]
Marin Čilić [27]	Tommy Haas (PR)	Fernando Verdasco [19]	Kevin Anderson
Alex Bogomolov Jr.	Juan Martín del Potro [18]	Juan Ignacio Chela [24]	Feliciano López [25]
Florian Mayer [26]	Julien Benneteau (WC)	Igor Kunitsyn	David Nalbandian
2nd round out
Carlos Berlocq	Potito Starace	Flavio Cipolla	Richard Gasquet [13]
Fabio Fognini	Philipp Petzschner	Mikhail Kukushkin	Gaël Monfils [7]
Dudi Sela	Bernard Tomic	Radek Štěpánek [23]	Alejandro Falla
Sergei Bubka (Q)	Marsel İlhan (Q)	Michaël Llodra [29]	Malek Jaziri (Q)
Rogério Dutra Da Silva (LL)	Robby Ginepri (WC)	Diego Junqueira	Guillermo García López
Stanislas Wawrinka [14]	Steve Darcis	Vasek Pospisil (Q)	Robin Haase
James Blake	Jean-René Lisnard (Q)	Jack Sock (WC)	Denis Istomin
Ernests Gulbis	Jürgen Melzer [17]	Ivan Ljubičić [30]	Nicolas Mahut
1st round out
Conor Niland (Q)	Pere Riba	Michael Berrer	Ivan Dodig [32]
Frederico Gil	Kei Nishikori	Fernando González (PR)	Sergiy Stakhovsky
Romain Jouan (Q)	Horacio Zeballos	Albert Ramos	Augustin Gensse (Q)
Xavier Malisse	Albert Montañés	Pablo Andújar	Grigor Dimitrov
Santiago Giraldo	Thomaz Bellucci	Michael Yani (Q)	Ryan Harrison (WC)
Philipp Kohlschreiber	Andreas Seppi	Jonathan Dasnières de Veigy (Q)	Viktor Troicki [15]
Lu Yen-hsun	Andreas Haider-Maurer	Frank Dancevic (Q)	Jarkko Nieminen
Victor Hănescu	Go Soeda (Q)	Thiemo de Bakker	Tobias Kamke
Louk Sorensen (Q)	Steve Johnson (WC)	João Souza (Q)	Marcos Baghdatis
Filippo Volandri	Karol Beck	Daniel Gimeno Traver	Ricardo Mello
Máximo González	Lukáš Lacko (LL)	Dmitry Tursunov	Marinko Matosevic (WC)
Tatsuma Ito	Lukáš Rosol	Rui Machado	Somdev Devvarman
Igor Andreev	Jesse Huta Galung (Q)	Olivier Rochus	Adrian Mannarino
Michael Russell	Marc Gicquel	Ryan Sweeting	Nicolás Almagro [10]
Mikhail Youzhny [16]	Édouard Roger-Vasselin	Matthias Bachinger	Éric Prodon
Blaž Kavčič	Bobby Reynolds (WC)	Robert Farah (Q)	Andrey Golubev

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Women's singles

More information Champion, Runner-up ...

Champion		Runner-up
Samantha Stosur [9]		Serena Williams [28]/(PR)
Semifinals out
Caroline Wozniacki [1]		Angelique Kerber
Quarterfinals out
Andrea Petkovic [10]	Anastasia Pavlyuchenkova [17]	Flavia Pennetta [26]	Vera Zvonareva [2]
4th round out
Svetlana Kuznetsova [15]	Carla Suárez Navarro	Ana Ivanovic [16]	Francesca Schiavone [7]
Monica Niculescu	Peng Shuai [13]	Maria Kirilenko [25]	Sabine Lisicki [22]
3rd round out
Vania King	Akgul Amanmuradova	Roberta Vinci [18]	Sílvia Soler Espinosa (Q)
Victoria Azarenka [4]	Sloane Stephens (WC)	Jelena Janković [11]	Chanelle Scheepers
Lucie Šafářová [27]	Alla Kudryavtseva	Julia Görges [19]	Maria Sharapova [3]
Christina McHale	Nadia Petrova [24]	Irina Falconi	Anabel Medina Garrigues [30]
2nd round out
Arantxa Rus	Jarmila Gajdošová [29]	Pauline Parmentier	Elena Baltacha
Zheng Jie	Alizé Cornet	Kaia Kanepi [31]	Simona Halep
Gisela Dulko	Michaëlla Krajicek (Q)	Shahar Pe'er [23]	Petra Cetkovská
Jelena Dokić	Petra Martić	Mona Barthel	Mirjana Lučić
Alexandra Dulgheru	Madison Keys (WC)	Yanina Wickmayer [20]	Agnieszka Radwańska [12]
Tsvetana Pironkova	Laura Pous Tió	Romina Oprandi (Q)	Anastasiya Yakimova
Marion Bartoli [8]	Vera Dushevina	Polona Hercog	CoCo Vandeweghe
Dominika Cibulková [14]	Venus Williams	Laura Robson (Q)	Kateryna Bondarenko
1st round out
Nuria Llagostera Vives	Elena Vesnina	Gréta Arn	Iveta Benešová
Daniela Hantuchová [21]	Tamira Paszek	Jamie Hampton (WC)	Sara Errani
Ekaterina Bychkova (Q)	Vitalia Diatchenko (Q)	Casey Dellacqua (WC)	Irina-Camelia Begu
Tamarine Tanasugarn	Kimiko Date-Krumm	Mathilde Johansson	Li Na [6]
Johanna Larsson	Rebecca Marino	Eleni Daniilidou	Bojana Jovanovski
Sania Mirza	Réka-Luca Jani	Evgeniya Rodina	Ksenia Pervak
Alison Riske (WC)	Olga Govortsova	Barbora Záhlavová-Strýcová	Anna Tatishvili
María José Martínez Sánchez [32]	Anne Keothavong	Marina Erakovic (Q)	Galina Voskoboeva (Q)
Petra Kvitová [5]	Patricia Mayr-Achleitner	Jill Craybas (WC)	Magdaléna Rybáriková
Sorana Cîrstea	Anastasia Rodionova	Lauren Davis (WC)	Urszula Radwańska (Q)
Varvara Lepchenko	Virginie Razzano	Misaki Doi	Kristina Barrois
Aravane Rezaï (WC)	Melanie Oudin	Noppawan Lertcheewakarn (Q)	Heather Watson
Alexandra Panova (Q)	Aleksandra Wozniak (Q)	Anastasija Sevastova	Ekaterina Makarova
Yung-jan Chan (Q)	Bethanie Mattek-Sands	Alberta Brianti	Sofia Arvidsson
Zhang Shuai	Klára Zakopalová	Vesna Dolonts	Alona Bondarenko (PR)
Karin Knapp (Q)	Ayumi Morita	Lucie Hradecká	Stéphanie Foretz Gacon (Q)

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• Day 1: Madison Keys – The 16-year-old Keys defeated her compatriot and elder by 21 years, Jill Craybas on the Grandstand with a 6–2, 6–4 score in their first-round encounter, giving the Florida native her first-ever win at the US Open.^[9]
• Day 2: Simona Halep – Halep, the 19-year-old world number 53, defeated the reigning French Open champion and sixth seed Li Na at Louis Armstrong Stadium with a 6–2, 7–5 score in their first round encounter.^[10]
• Day 3: Julien Benneteau – The French wild-card upset tenth-seeded Spaniard Nicolás Almagro in straight sets.^[11]
• Day 4: Juan Carlos Ferrero – The unseeded Ferrero, an experienced ATP Tour player and the second oldest man in the draw at 31 years old, defeated seventh-seeded Gaël Monfils in an extraordinary five-set match to advance into the third round.^[12]
• Day 5: Flavia Pennetta – The twenty-sixth seed, two-time quarterfinalist, and former world number 10 upset third seed, 2006 US Open champion, and former world number 1 Maria Sharapova in three sets, 6–3, 3–6, 6–4, to advance to the fourth round.^[13]
• Day 6: Francesca Schiavone – The 31-year-old seventh seed saved a match point in her battle against world number 81 Chanelle Scheepers, and went on to win, 5–7, 7–6, 6–3, advancing to the fourth round.^[14]
• Day 7: Donald Young – The 22-year-old American wildcard upset twenty-fourth seeded veteran Juan Ignacio Chela in the third round in straight sets with a score of 7–5, 6–4, 6–3. He made it to the fourth round of a Grand Slam for the first time in his career after upsetting Chela and the fourteenth seeded Stanislas Wawrinka in the second round.^[15]
• Day 8: Anastasia Pavlyuchenkova – The seventeenth-seeded Russian reached her second quarterfinal this year after upsetting seventh seed Francesca Schiavone in three tight sets, 5–7, 6–3, 6–4.^[16]
• Day 9: No matches completed due to rain.
• Day 10: No matches completed due to rain.
• Day 11: John Isner – The twenty-eighth seeded American upset twelfth-seeded Frenchman Gilles Simon, 7–6, 3–6, 7–6, 7–6, to reach his first ever Grand Slam quarterfinal.^[17]
• Day 12: Rafael Nadal – The number two seed reached his fourth consecutive US Open semifinal after defeating American Andy Roddick in straight sets, 6–2, 6–1, 6–3, in under two hours.^[18]
• Day 13: Samantha Stosur – The number nine seed became the first Australian woman since Wendy Turnbull in 1977 to reach a US Open final, after defeating unseeded German Angelique Kerber in three sets in her semifinal match, 6–3, 2–6, 6–2.^[19]
• Day 14: Samantha Stosur – The Australian player upset the American US Open three-time champion Serena Williams in straight sets, 6–2, 6–3, winning her first Major.^[20]
• Day 15: Novak Djokovic – The Serbian player continued his amazing season by winning his first US Open and his third Grand Slam of the year, defeating the defending champion Rafael Nadal for the sixth time in 2011.^[21]

The following are the seeded players and notable players who withdrew from the event. Rankings are as of August 22.

Men's singles

^[22]

More information Seed, Rank ...

Seed	Rank	Player	Points	Points defending	Points won	New points	Status
1	1	Novak Djokovic	13,920	1,200	2,000	14,720	Champion, defeated Rafael Nadal [2]
2	2	Rafael Nadal	11,420	2,000	1,200	10,620	Runner-up; Final lost to Novak Djokovic [1]
3	3	Roger Federer	8,380	720	720	8,380	Semifinals lost to Novak Djokovic [1]
4	4	Andy Murray	6,535	90	720	7,165	Semifinals lost to Rafael Nadal [2]
5	5	David Ferrer	4,200	180	180	4,200	Fourth round lost to Andy Roddick [21]
6	6	Robin Söderling	4,145	360	0	3,785	Withdrew due to illness[23]
7	7	Gaël Monfils	3,165	360	45	2,850	Second round lost to Juan Carlos Ferrero
8	8	Mardy Fish	2,820	180	180	2,820	Fourth round lost to Jo-Wilfried Tsonga [11]
9	9	Tomáš Berdych	2,690	10	90	2,770	Third round lost to Janko Tipsarević [20]
10	10	Nicolás Almagro	2,380	90	10	2,300	First round lost to Julien Benneteau [WC]
11	11	Jo-Wilfried Tsonga	2,350	0	360	2,710	Quarterfinals lost to Roger Federer [3]
12	12	Gilles Simon	2,325	90	180	2,415	Fourth round lost to John Isner [28]
13	13	Richard Gasquet	2,080	180	45	1,945	Second round lost to Ivo Karlović [PR]
14	14	Stanislas Wawrinka	2,035	360	45	1,720	Second round lost to Donald Young [WC]
15	15	Viktor Troicki	1,935	10	10	1,935	First round lost to Alejandro Falla
16	16	Mikhail Youzhny	1,955	720	10	1,245	First round lost to Ernests Gulbis
17	17	Jürgen Melzer	1,830	180	45	1,695	Second round lost to Igor Kunitsyn
18	18	Juan Martín del Potro	1,800	0	90	1,890	Third round lost to Gilles Simon [12]
19	19	Fernando Verdasco	1,785	360	90	1,515	Third round lost to Jo-Wilfried Tsonga [11]
20	20	Janko Tipsarević	1,740	90	360	2,010	Quarterfinals lost to Novak Djokovic [1]
21	21	Andy Roddick	1,680	45	360	1,995	Quarterfinals lost to Rafael Nadal [2]
22	22	Alexandr Dolgopolov	1,530	10	180	1,700	Fourth round lost to Novak Djokovic [1]
23	23	Radek Štěpánek	1,440	10	45	1,475	Second round lost to Juan Mónaco
24	24	Juan Ignacio Chela	1,440	45	90	1,485	Third round lost to Donald Young [WC]
25	25	Feliciano López	1,415	180	90	1,325	Third round lost to Andy Murray [4]
26	26	Florian Mayer	1,405	10	90	1,485	Third round lost to David Ferrer [5]
27	27	Marin Čilić	1,375	45	90	1,420	Third round lost to Roger Federer [3]
28	28	John Isner	1,545	90	360	1,815	Quarterfinals lost to Andy Murray [4]
29	30	Michaël Llodra	1,280	90	45	1,235	Second round lost to Kevin Anderson
30	31	Ivan Ljubičić	1,280	10	45	1,315	Second round lost to David Nalbandian
31	32	Marcel Granollers	1,243	45	90	1,288	Third round lost to Juan Carlos Ferrero
32	33	Ivan Dodig	1,207	70	10	1,147	First round lost to Nikolay Davydenko

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Withdrawals

More information Rank, Player ...

Rank	Player	Points	Points defending	Points won	New points	Withdrew due to
6	Robin Söderling	4,145	360	0	3,785	illness[23]
29	Milos Raonic	1,312	35	0	1,277	hip injury[24]

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Women's singles

^[25]

More information Seed, Rank ...

Seed	Rank	Player	Points	Points defending	Points won	New points	Status
1	1	Caroline Wozniacki	9,335	900	900	9,335	Semifinals lost to Serena Williams [28]
2	2	Vera Zvonareva	6,820	1,400	500	5,920	Quarterfinals lost to Samantha Stosur [9]
3	4	Maria Sharapova	6,346	280	160	6,226	Third round lost to Flavia Pennetta [26]
4	5	Victoria Azarenka	5,995	100	160	6,055	Third round lost to Serena Williams [28]
5	6	Petra Kvitová	5,685	160	5	5,530	First round lost to Alexandra Dulgheru
6	7	Li Na	5,870	5	5	5,870	First round lost to Simona Halep
7	8	Francesca Schiavone	4,995	500	280	4,775	Fourth round lost to Anastasia Pavlyuchenkova [17]
8	9	Marion Bartoli	4,225	100	100	4,225	Second round lost to Christina McHale
9	10	Samantha Stosur	3,880	500	2000	5,380	Champion, defeated Serena Williams [28]
10	11	Andrea Petkovic	3,805	280	500	4,025	Quarterfinals lost to Caroline Wozniacki [1]
11	12	Jelena Janković	3,270	160	160	3,270	Third round lost to Anastasia Pavlyuchenkova [17]
12	13	Agnieszka Radwańska	3,270	100	100	3,270	Second round lost to Angelique Kerber
13	14	Peng Shuai	2,705	160	280	2,825	Fourth round lost to Flavia Pennetta [26]
14	15	Dominika Cibulková	2,565	500	100	2,165	Second round lost to Irina Falconi
15	16	Svetlana Kuznetsova	2,481	280	280	2,481	Fourth round lost to Caroline Wozniacki [1]
16	17	Ana Ivanovic	2,415	280	280	2,415	Fourth round lost to Serena Williams [28]
17	18	Anastasia Pavlyuchenkova	2,500	280	500	2,720	Quarterfinals lost to Serena Williams [28]
18	19	Roberta Vinci	2,350	5	160	2,505	Third round lost to Andrea Petkovic [10]
19	20	Julia Görges	2,335	100	160	2,395	Third round lost to Peng Shuai [13]
20	21	Yanina Wickmayer	2,320	280	100	2,140	Second round lost to Alla Kudryavtseva
21	22	Daniela Hantuchová	2,220	160	5	2,065	First round lost to Pauline Parmentier
22	23	Sabine Lisicki	2,478	100	280	2,658	Fourth round lost to Vera Zvonareva [2]
23	24	Shahar Pe'er	2,115	280	100	1,935	Second round lost to Sloane Stephens [WC]
24	25	Nadia Petrova	1,695	5	160	1,850	Third round lost to Samantha Stosur [9]
25	26	Maria Kirilenko	1,735	160	280	1,855	Fourth round lost to Samantha Stosur [9]
26	27	Flavia Pennetta	1,800	160	500	2,140	Quarterfinals lost to Angelique Kerber
27	28	Lucie Šafářová	1,785	5	160	1,940	Third round lost to Monica Niculescu
28	29	Serena Williams	1,780	0	1400	3,180	Runner-up; final lost to Samantha Stosur [9]
29	31	Jarmila Gajdošová	1,690	5	100	1,785	Second round lost to Vania King
30	32	Anabel Medina Garrigues	1,610	5	160	1,765	Third round lost to Vera Zvonareva [2]
31	33	Kaia Kanepi	1,508	500	100	1,108	Second round lost to Sílvia Soler Espinosa [Q]
32	34	María José Martínez Sánchez	1,505	100	5	1,410	First round lost to Mona Barthel

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Withdrawals

More information Rank, Player ...

Rank	Player	Points	Points defending	Points won	New points	Withdrew due to
3	Kim Clijsters	6,501	2,000	0	4,501	stomach muscle injury [26]
30	Alisa Kleybanova	1,755	100	0	1,655	Hodgkins Lymphoma[27]

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Below are the lists of the wild card awardees entering in the main draws.^[28][29]

The following players were accepted directly into the main draw using a protected ranking:

The following players were accepted directly into the main tournament, but withdrew with injuries.