The Association of Tennis Professionals (ATP) World Tour is the number one tier tennis tour for men's tennis competition. The 2011 ATP World Tour calendar consists of Grand Slam tournaments (organised by the International Tennis Federation (ITF)), the ATP World Tour Masters 1000, the ATP World Tour 500 series, the ATP World Tour 250 series, the ATP World Team Championship, the Davis Cup (organized by the ITF), and the ATP World Tour Finals. Also included in the 2011 calendar is the Hopman Cup, which does not distribute ranking points, and is organised by the ITF.

This is the complete schedule of events on the 2011 calendar, with player progression documented from the quarterfinals stage.

Week of	Tournament	Champions	Runners-up	Semifinalists	Quarterfinalists
January 3	Hyundai Hopman Cup Perth, Australia Hopman Cup AU$1,000,000 – Hard (i) – 8 teams (RR)	United States 2–1	Belgium	Round Robin (Group A)  Serbia  Australia  Kazakhstan	Round Robin (Group B)  France  Italy  Great Britain
	Brisbane International Brisbane, Australia ATP World Tour 250 $372,500 – Hard – 32S/32Q/16D Singles Draw – Doubles Draw	Robin Söderling 6–3, 7–5	Andy Roddick	Radek Štěpánek Kevin Anderson	Matthew Ebden Florian Mayer Santiago Giraldo Marcos Baghdatis
		Lukáš Dlouhý Paul Hanley 6–4 retired	Robert Lindstedt Horia Tecău
	Aircel Chennai Open Chennai, India ATP World Tour 250 $398,250 – Hard – 32S/32Q/16D Singles Draw – Doubles Draw	Stanislas Wawrinka 7–5, 4–6, 6–1	Xavier Malisse	Tomáš Berdych Janko Tipsarević	Blaž Kavčič Robin Haase Björn Phau Kei Nishikori
		Mahesh Bhupathi Leander Paes 6–2, 6–7(3), [10–7]	Robin Haase David Martin
	Qatar ExxonMobil Open Doha, Qatar ATP World Tour 250 $1,024,000 – Hard – 32S/32Q/16D Singles Draw – Doubles Draw	Roger Federer 6–3, 6–4	Nikolay Davydenko	Rafael Nadal Jo-Wilfried Tsonga	Ernests Gulbis Ivo Karlović Guillermo García-López Viktor Troicki
		Marc López Rafael Nadal 6–3, 7–6(4)	Daniele Bracciali Andreas Seppi
January 10	Medibank International Sydney Sydney, Australia ATP World Tour 250 $372,500 – Hard – 28S/32Q/16D Singles Draw – Doubles Draw	Gilles Simon 7–5, 7–6(4)	Viktor Troicki	Ernests Gulbis Florian Mayer	Alexandr Dolgopolov Sergiy Stakhovsky Richard Gasquet Potito Starace
		Lukáš Dlouhý Paul Hanley 6–7(6), 6–3, [10–5]	Bob Bryan Mike Bryan
	Heineken Open Auckland, New Zealand ATP World Tour 250 $355,500 – Hard – 28S/32Q/16D Singles Draw – Doubles Draw	David Ferrer 6–3, 6–2	David Nalbandian	Santiago Giraldo Nicolás Almagro	Philipp Kohlschreiber Thomaz Bellucci John Isner Adrian Mannarino
		Marcel Granollers Tommy Robredo 6–4, 7–6(6)	Johan Brunström Stephen Huss
January 17 January 24	Australian Open Melbourne, Australia Grand Slam AU$10,712,240 – Hard 128S/128Q/64D/32X Singles Draw – Doubles Draw – Mixed Draw	TBD vs TBD		D Ferrer vs A Murray N Djokovic vs R Federer	Rafael Nadal Alexandr Dolgopolov Tomáš Berdych Stanislas Wawrinka
		Bob Bryan / Mike Bryan vs /
		/ vs /
January 31	SA Tennis Open Johannesburg, South Africa ATP World Tour 250 $442,500 – Hard – 32S/32Q/16D Singles Draw – Doubles Draw
	PBZ Zagreb Indoors Zagreb, Croatia ATP World Tour 250 €398,250 – Hard (i) – 32S/32Q/16D Singles Draw – Doubles Draw
	Movistar Open Santiago, Chile ATP World Tour 250 $398,250 – Clay (Red) – 32S/32Q/16D Singles Draw – Doubles Draw

Week of	Tournament	Champions	Runners-up	Semifinalists	Quarterfinalists
February 7	SAP Open San Jose, United States ATP World Tour 250 $531,000 – Hard (i) – 32S/32Q/16D Singles Draw – Doubles Draw
	ABN AMRO World Tennis Tournament Rotterdam, Netherlands ATP World Tour 500 €1,150,000 – Hard (i) – 32S/32Q/16D Singles Draw – Doubles Draw
	Brasil Open Costa do Sauípe, Brazil ATP World Tour 250 $442,500 – Clay (Red) – 32S/32Q/16D Singles Draw – Doubles Draw
February 14	Open 13 Marseille, France ATP World Tour 250 €512,750 – Hard (i) – 28S/32Q/16D Singles Draw – Doubles Draw
	Regions Morgan Keegan Championships Memphis, United States ATP World Tour 500 $1,100,000 – Hard (i) – 32S/32Q/16D Singles Draw – Doubles Draw
	Copa Claro Buenos Aires, Argentina ATP World Tour 250 $475,300 – Clay (Red) – 32S/32Q/16D Singles Draw – Doubles Draw
February 21	Dubai Duty Free Tennis Championships Dubai, United Arab Emirates ATP World Tour 500 $1,619,500 – Hard – 32S/32Q/16D Singles Draw – Doubles Draw
	Abierto Mexicano Telcel Acapulco, Mexico ATP World Tour 500 $955,000 – Clay (Red) – 32S/32Q/16D Singles Draw – Doubles Draw
	Delray Beach International Tennis Championships Delray Beach, United States ATP World Tour 250 $442,500 – Hard – 32S/32Q/16D Singles Draw – Doubles Draw
February 28	Davis Cup by BNP Paribas First Round Novi Sad, Serbia – Hard (i) Borås, Sweden – Hard (i) Ostrava, Czech Republic – Surface TBD (i) Buenos Aires, Argentina – Clay (Red) Santiago, Chile – Clay (Red) Charleroi, Belgium – Hard (i) Zagreb, Croatia – Hard (i) Vienna, Austria – Clay (Red) (i)

Week of	Tournament	Champions	Runners-up	Semifinalists	Quarterfinalists
March 7 March 15	BNP Paribas Open Indian Wells, United States ATP World Tour Masters 1000 $3,645,000 – Hard – 96S/48Q/32D Singles Draw – Doubles Draw
March 21 March 28	Sony Ericsson Open Miami, United States ATP World Tour Masters 1000 $3,645,000 – Hard – 96S/48Q/32D Singles Draw – Doubles Draw

Week of	Tournament	Champions	Runners-up	Semifinalists	Quarterfinalists
April 4	Grand Prix Hassan II Casablanca, Morocco ATP World Tour 250 €398,250 – Clay (Red) – 28S/32Q/16D Singles Draw – Doubles Draw
	US Men's Clay Court Championships Houston, United States ATP World Tour 250 $442,500 – Clay (Red) – 28S/32Q/16D Singles Draw – Doubles Draw
April 11	Monte-Carlo Rolex Masters Monte Carlo, Monaco ATP World Tour Masters 1000 €2,227,500 – Clay (Red) – 56S/28Q/24D Singles Draw – Doubles Draw
April 18	Barcelona Open BancSabadell Barcelona, Spain ATP World Tour 500 €1,550,000 – Clay (Red) – 56S/28Q/24D Singles Draw – Doubles Draw
April 25	BMW Open Munich, Germany ATP World Tour 250 €398,250 – Clay (Red) – 32S/32Q/16D Singles Draw – Doubles Draw
	Serbia Open Belgrade, Serbia ATP World Tour 250 €373,200 – Clay (Red) – 28S/32Q/16D Singles Draw – Doubles Draw
	Estoril Open Estoril, Portugal ATP World Tour 250 €398,250 – Clay (Red) – 28S/32Q/16D Singles Draw – Doubles Draw

Week of	Tournament	Champions	Runners-up	Semifinalists	Quarterfinalists
May 2	Mutua Madrileña Madrid Open Madrid, Spain ATP World Tour Masters 1000 €2,835,000 – Clay (Red) – 56S/28Q/24D Singles Draw – Doubles Draw
May 9	Internazionali BNL d'Italia Rome, Italy ATP World Tour Masters 1000 €2,227,500 – Clay (Red) – 56S/28Q/24D Singles Draw – Doubles Draw
May 16	Open de Nice Côte d’Azur Nice, France ATP World Tour 250 €398,250 – Clay (Red) – 28S/32Q/16D Singles Draw – Doubles Draw
May 23 June 6	French Open Paris, France Grand Slam €7,580,800 – Clay (Red) 128S/128Q/64D/32X Singles Draw – Doubles Draw – Mixed Draw

Week of	Tournament	Champions	Runners-up	Semifinalists	Quarterfinalists
June 6	Gerry Weber Open Halle, Germany ATP World Tour 250 €663,750 – Grass – 32S/32Q/16D Singles Draw – Doubles Draw
	AEGON Championships London, United Kingdom ATP World Tour 250 €627,700 – Grass – 56S/32Q/24D Singles Draw – Doubles Draw
June 13	UNICEF Open 's-Hertogenbosch, Netherlands ATP World Tour 250 €398,250 – Grass – 32S/32Q/16D Singles Draw – Doubles Draw
	AEGON International Eastbourne, United Kingdom ATP World Tour 250 €405,000 – Grass – 32S/23Q/16D Singles Draw – Doubles Draw
June 20 June 27	The Championships, Wimbledon London, United Kingdom Grand Slam £13,725,000 – Grass 128S/128Q/64D/16Q/48X Singles Draw – Doubles Draw – Mixed Draw

Week of	Tournament	Champions	Runners-up	Semifinalists	Quarterfinalists
July 4	Campbell's Hall of Fame Tennis Championships Newport, United States ATP World Tour 250 $442,500 – Grass – 32S/32Q/16D Singles Draw – Doubles Draw
	Davis Cup by BNP Paribas Quarterfinals
July 11	MercedesCup Stuttgart, Germany ATP World Tour 250 €398,250 – Clay (Red) – 28S/32Q/16D Singles Draw – Doubles Draw
	SkiStar Swedish Open Båstad, Sweden ATP World Tour 250 €398,250 – Clay (Red) – 28S/32Q/16D Singles Draw – Doubles Draw
July 19	German Open Tennis Championships Hamburg, Germany ATP World Tour 500 €1,000,000 – Clay (Red) – 48S/24Q/16D Singles Draw – Doubles Draw
	Atlanta Tennis Championships Atlanta, United States ATP World Tour 250 $531,000 – Hard – 32S/32Q/16D Singles Draw – Doubles Draw
July 25	Allianz Suisse Open Gstaad Gstaad, Switzerland ATP World Tour 250 €398,250 – Clay (Red) – 32S/32Q/16D Singles Draw – Doubles Draw
	Farmers Classic Los Angeles, United States ATP World Tour 250 $619,500 – Hard – 28S/32Q/16D Singles Draw – Doubles Draw
	Studena Croatia Open Umag, Croatia ATP World Tour 250 €398,250 – Clay (Red) – 32S/32Q/16D Singles Draw – Doubles Draw

Week of	Tournament	Champions	Runners-up	Semifinalists	Quarterfinalists
August 1	Interwetten Austrian Open Kitzbühel, Austria ATP World Tour 250 €450,000 – Clay – 28S/16D Singles Draw – Doubles Draw
	Legg Mason Tennis Classic Washington, United States ATP World Tour 500 $1,165,500 – Hard – 48S/24Q/16D Singles Draw – Doubles Draw
August 8	Rogers Cup Montreal, Canada ATP World Tour Masters 1000 $2,430,000 – Hard – 56S/28Q/24D Singles Draw – Doubles Draw
August 15	Western & Southern Open Cincinnati, United States ATP World Tour Masters 1000 $2,430,000 – Hard – 56S/28Q/24D Singles Draw – Doubles Draw
August 22	Winston-Salem Open Winston-Salem, United States ATP World Tour 250 $553,125 – Hard – 48S/Q/D Singles Draw – Doubles Draw
August 29 September 11	US Open New York City, United States Grand Slam $10,508,000 – Hard 128S/128Q/64D/32X Singles Draw – Doubles Draw – Mixed Draw

Week of	Tournament	Champions	Runners-up	Semifinalists	Quarterfinalists
September 12	Davis Cup by BNP Paribas Semifinals
September 19	Open de Moselle Metz, France ATP World Tour 250 €398,250 – Hard (i) – 28S/25Q/16D Singles Draw – Doubles Draw
	BCR Open Romania Bucharest, Romania ATP World Tour 250 €368,450 – Clay (Red) – 28S/32Q/16D Singles Draw – Doubles Draw
September 26	PTT Thailand Open Bangkok, Thailand ATP World Tour 250 $551,000 – Hard (i) – 28S/32Q/16D Singles Draw – Doubles Draw
	Malaysian Open Kuala Lumpur, Malaysia ATP World Tour 250 $850,000 – Hard (i) – 28S/16Q/16D Singles Draw – Doubles Draw

Week of	Tournament	Champions	Runners-up	Semifinalists	Quarterfinalists
October 3	China Open Beijing, People's Republic of China ATP World Tour 500 $2,100,000 – Hard – 32S/16Q/16D Singles Draw – Doubles Draw
	Rakuten Japan Open Tennis Championships Tokyo, Japan ATP World Tour 500 $1,100,000 – Hard – 32S/16Q/16D Singles Draw – Doubles Draw
October 10	Shanghai Rolex Masters Shanghai, People's Republic of China ATP World Tour Masters 1000 $3,240,000 – Hard – 56S/28Q/24D Singles Draw – Doubles Draw
October 17	Kremlin Cup Moscow, Russia ATP World Tour 250 $1,000,000 – Hard (i) – 28S/32Q/16D Singles Draw – Doubles Draw
	If Stockholm Open Stockholm, Sweden ATP World Tour 250 €531,000 – Hard (i) – 28S/32Q/16D Singles Draw – Doubles Draw
October 24	St. Petersburg Open Saint Petersburg, Russia ATP World Tour 250 $663,750 – Hard (i) – 32S/32Q/16D Singles Draw – Doubles Draw
	Bank Austria-TennisTrophy Vienna, Austria ATP World Tour 250 €575,250 – Hard (i) – 28S/32Q/16D Singles Draw – Doubles Draw
	Open Sud de France Montpellier, France ATP World Tour 250 €575,250 – Hard (i) – 28S/32Q/16D Singles Draw – Doubles Draw

Week of	Tournament	Champions	Runners-up	Semifinalists	Quarterfinalists
November 1	Valencia Open 500 Valencia, Spain ATP World Tour 500 €1,357,000 – Hard (i) – 32S/32Q/16D Singles Draw – Doubles Draw
	Swiss Indoors Basel Basel, Switzerland ATP World Tour 500 €1,225,000 – Hard (i) – 32S/32Q/16D Singles Draw – Doubles Draw
November 7	BNP Paribas Masters Paris, France ATP World Tour Masters 1000 €2,227,500 – Hard (i) – 48S/24Q/24D Singles Draw – Doubles Draw
November 14	colspan="5" style="background:#ededed; style="text-align:center;" No tournaments scheduled.
November 21	Barclays ATP World Tour Finals London, United Kingdom ATP World Tour Finals £2,227,500 – Hard (i) – 8S/8D (RR) Singles Draw – Doubles Draw				Round Robin losers
November 29	Davis Cup by BNP Paribas Final	colspan=2 style="text-align:center;"

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