| Previous Season: 2012 |
| Date | Event (Sites in parenthesis) | Notes |
| December | |
| 31-1/06 | Qatar ExxonMobil Open
(Doha, Qatar) | Results | Recap |
Winner: (2) Richard Gasquet def. Nikolay Davydenko , 3-6, 7-6 (7-4), 6-3 |
| |
| 31-1/06 | Brisbane International
(Brisbane, Australia) | Results | Recap |
Winner: (1) Andy Murray def. Grigor Dimitrov , 7-6 (7-0), 6-4 |
| |
| 31-1/06 | Aircel Chennai Open
(Chennai, India) | Results | Recap |
Winner: (2) Janko Tipsarevic def. Roberto Bautista Agut , 3-6, 6-1, 6-3 |
| |
| January | |
| 07-12 | Apia International Sydney
(Sydney, Australia) | Results | Recap |
Winner: Bernard Tomic def. Kevin Anderson , 6-3, 6-7 (2-7), 6-3 |
| |
| 07-12 | Heineken Open
(Auckland, New Zealand) | Results | Recap |
Winner: (1) David Ferrer def. (2) Philipp Kohlschreiber , 7-6 (7-5), 6-1 |
| |
| 14-27 | (Australian Open
(Melbourne Park, Melbourne, Australia) | Results | Recap |
Winner: (1) Novak Djokovic def. (3) Andy Murray, 6-7 (2-7), 7-6 (7-3), 6-3, 6-2 |
| |
| February | |
| 01-03 | Davis Cup First Round - ESP at CAN
vs. 
(Vancouver, BC, Canada) | Results | Recap |
| Winner: Canada def. Spain, 3-2. |
| |
| 01-03 | Davis Cup First Round - CRO at ITA
 vs. 
(Turin, Italy) | Results | Recap |
| Winner: Italy def. Croatia, 3-2. |
| |
| 01-03 | Davis Cup First Round - SRB at BEL
vs. 
(Charleroi, Belgium) | Results | Recap |
| Winner: Serbia def. Belgium, 3-2. |
| |
| 01-03 | Davis Cup First Round - BRA at USA
 vs. 
(Jacksonville, Florida) | Results | Recap |
| Winner: USA def. Brazil 3-2. |
| |
| 01-03 | Davis Cup First Round - ISR at FRA
 vs.
(Rouen, France) | Results | Recap |
| Winner: France def. Israel, 5-0. |
| |
| 01-03 | Davis Cup First Round - GER at ARG
vs. 
(Buenos Aires, Argentina) | Results | Recap |
| Winner: Argentina def. Germany, 5-0. |
| |
| 01-03 | Davis Cup First Round - AUT at KAZ
 vs. 
(Astana, Kazakhstan) | Results | Recap |
| Winner: Kazakhstan def. Austria, 3-1. |
| |
| 01-03 | Davis Cup First Round - CZE at SUI
 vs. 
(Geneva, Switzerland) | Results | Recap |
| Winner: The Czech Republic def. Switzerland, 3-2. |
| |
| 04-10 | VTR Open
(Vina del Mar, Chile) | Results | Recap |
| Winner: Horacio Zeballos def. (1) Rafael Nadal, 6-7 (2-7), 7-6 (8-6), 6-4 |
| |
| 05-10 | Open Sud de France
(Montpellier, France) | Results | Recap |
| Winner: (3) Richard Gasquet def. (8) Benoit Paire, 6-2, 6-3 |
| |
| 05-10 | PBZ Zagreb Indoors
(Zagreb, Croatia) | Results | Recap |
| Winner: (1) Marin Cilic def. (4) Jurgen Melzer, 6-3, 6-1 |
| |
| 11-17 | Brasil Open
(Sao Paulo, Brazil) | Results | Recap |
| Winner: (1) Rafael Nadal def. David Nalbandian, 6-2, 6-3 |
| |
| 11-17 | ABN AMRO World Tennis Tournament
(Rotterdam, The Netherlands) | Results | Recap |
| Winner: (2) Juan Martin del Potro def. Julien Benneteau, 7-6 (7-2), 6-3 |
| |
| 11-17 | SAP Open
(San Jose, California) | Results | Recap |
| Winner: (1) Milos Raonic def. (4) Tommy Haas, 6-4, 6-3 |
| |
| 18-24 | Open 13
(Palais des Sports, Marseille, France) | Results | Recap |
| Winner: (3) Jo-Wilfried Tsonga def. (1) Tomas Berdych, 3-6, 7-6 (8-6), 6-4 |
| |
| 18-24 | U.S. National Indoor Championships
(The Racquet Club of Memphis, Memphis, Tennessee) | Results | Recap |
Winner: (5) Kei Nishikori def. Feliciano Lopez, 6-2, 6-3 |
| |
| 18-24 | Copa Claro
(Buenos Aires Lawn Tennis Club, Buenos Aires, Argentina) | Results | Recap |
| Winner: (1) David Ferrer def. (3) Stanislas Wawrinka, 6-4, 3-6, 6-1 |
| |
| 25-3/02 | Abierto Mexicano Telcel
(Acapulco, Mexico) | Results | Recap |
| Winner: (2) Rafael Nadal def. (1) David Ferrer, 6-0, 6-2 |
| |
| 25-3/02 | Dubai Duty Free Tennis Championships
(Dubai Tennis Stadium, Dubai, United Arab Emirates) | Results | Recap |
| Winner: (1) Novak Djokovic def. (3) Tomas Berdych, 7-5, 6-3 |
| |
| 25-3/03 | Delray Beach International Championships
(Delray Beach, Florida) | Results | Recap |
Winner: Ernests Gulbis def. Edouard Roger-Vasselin, 7-6 (7-3), 6-3 |
| |
| March | |
| 07-17 | BNP Paribas Open
(Indian Wells Tennis Garden, Indian Wells, California) | Results | Recap |
| Winner: (5) Rafael Nadal def. (7) Juan Martin del Potro, 4-6, 6-3, 6-4 |
| |
| 20-31 | Sony Open Tennis
(Tennis Center at Crandon Park, Miami, Florida) | Results | Recap |
| Winner: (2) Andy Murray def. (3) David Ferrer, 2-6, 6-4, 7-6 (7-1) |
| |
| April | |
| 05-07 | Davis Cup Quarterfinals - ITA at CAN
vs.
(Thunderbird Sports Centre, Vancouver, BC, Canada) | Results | Recap |
| Winner: Canada def. Italy, 3-1. |
| |
| 05-07 | Davis Cup Quarterfinals - SRB at USA
vs.
(Taco Bell Arena, Boise, Idaho) | Results | Recap |
| Winner: Serbia def. United States, 3-1. |
| |
| 05-07 | Davis Cup Quarterfinals - FRA at ARG
vs.
(Parque Roca, Buenos Aires, Argentina) | Results | Recap |
| Winner: Argentina def. France, 3-2. |
| |
| 05-07 | Davis Cup Quarterfinals - CZE at KAZ
vs.
(National Tennis Centre, Astana, Kazakhstan) | Results | Recap |
| Winner: Czech Republic def. Kazakhstan, 3-1. |
| |
| 08-14 | US Men's Clay Court Championship
(Houston, Texas) | Results | Recap |
| Winner: (5) John Isner def. (1) Nicolas Almagro, 6-3, 7-5 |
| |
| 08-14 | Grand Prix Hassan II
(Casablanca, Morocco) | Results | Recap |
| Winner: Tommy Robredo def. (2) Kevin Anderson, 7-6 (8-6), 4-6, 6-3 |
| |
| 14-21 | Monte Carlo Rolex Masters
(Monte Carlo Country Club, Roquebrune-Cap-Martin, France) | Results | Recap |
| Winner: (1) Novak Djokovic def. (3) Rafael Nadal, 6-2, 7-6 (7-1) |
| |
| 22-28 | Barcelona Open Banc Sabadell
(Barcelona, Spain) | Results | Recap |
| Winner: (2) Rafael Nadal def. (4) Nicolas Almagro, 6-4, 6-3 |
| |
| 22-28 | BRD Nastase Tiriac Trophy
(Bucharest, Romania) | Results | Recap |
| Winner: Lukas Rosol def. Guillermo Garcia-Lopez, 6-3, 6-2 |
| |
| 29-5/05 | BMW Open
(Munich, Germany) | Results | Recap |
| Winner: (3) Tommy Haas def. (4) Philipp Kohlschreiber, 6-3, 7-6 (7-3) |
| |
| 29-5/05 | Portugal Open
(Oeiras, Portugal) | Results | Recap |
| Winner: (2) Stanislas Wawrinka def. (1) David Ferrer, 6-1, 6-4 |
| |
| May | |
| 05-12 | Mutua Madrid Open
(The Magic Box, Madrid, Spain) | Results | Recap |
| Winner: (5) Rafael Nadal def. (15) Stanislas Wawrinka, 6-2, 6-4 |
| |
| 12-19 | Internazionali BNL d'Italia
(Foro Italico, Rome, Italy) | Results | Recap |
| Winner: (5) Rafael Nadal def. (2) Roger Federer, 6-1, 6-3 |
| |
| 19-25 | Open de Nice Cote d'Azur
(Nice Lawn Tennis Club, Nice, France) | Results | Recap |
| Play is currently in a rain delay. |
| |
| 19-25 | Power Horse Cup
(Rochusclub, Duesseldorf, Germany) | Results | Recap |
| |
| |
| 26-6/09 | (French Open
(Stade Roland Garros, Paris, France) | Results | Recap |
| |
| |
| June | |
| 10-16 | Gerry Weber Open
(Gerry Weber Stadion, Halle, Germany) | Results | Recap |
| |
| |
| 10-16 | AEGON Championships
(The Queen's Club, London, England) | Results | Recap |
| |
| |
| 17-23 | Topshelf Open
(Autotron Rosmalen, 's-Hertogenbosch, The Netherlands) | Results | Recap |
| |
| |
| 17-23 | AEGON International
(Devonshire Park, Eastbourne, England) | Results | Recap |
| |
| |
| 24-7/07 | The Championships, Wimbledon
(All England Lawn Tennis Club, Wimbledon, England) | Results | Recap |
| |
| |
| July | |
| 08-14 | Campbell's Hall of Fame Tennis Championships
(Newport, Rhode Island) | Results | Recap |
| |
| |
| 08-14 | SkiStar Swedish Open
(Bastad, Sweden) | Results | Recap |
| |
| |
| 08-14 | Mercedes Cup
(Stuttgart, Germany) | Results | Recap |
| |
| |
| 15-21 | bet-at-home Open
(Hamburg, Germany) | Results | Recap |
| |
| |
| 15-21 | Claro Open Colombia
(Bogota, Colombia) | Results | Recap |
| |
| |
| 22-28 | Vegeta Croatia Open Umag
(Umag, Croatia) | Results | Recap |
| |
| |
| 22-28 | Credit Agricole Suisse Open Gstaad
(Gstaad, Switzerland) | Results | Recap |
| |
| |
| 22-28 | BB&T Atlanta Open
(Atlanta, Georgia) | Results | Recap |
| |
| |
| 28-8/04 | Bet-At-Home Cup Kitzbuhel
(Kitzbuhel, Austria) | Results | Recap |
| |
| |
| 29-8/04 | Citi Open
(Washington, DC) | Results | Recap |
| |
| |
| August | |
| 05-11 | Coupe Rogers
(Montreal, Quebec, Canada) | Results | Recap |
| |
| |
| 12-18 | Western & Southern Masters
(Mason, Ohio) | Results | Recap |
| |
| |
| 18-24 | Winston-Salem Open
(Winston-Salem, North Carolina) | Results | Recap |
| |
| |
| 26-9/08 | (U.S. Open
(Flushing Meadows, New York) | Results | Recap |
| |
| |
| September | |
| 13-15 | Davis Cup Semifinals - CAN at SRB
vs.
(Belgrade, Serbia) | Results | Recap |
| |
| |
| 13-15 | Davis Cup Semifinals - ARG at CZE
vs.
(Prague, Czech Republic) | Results | Recap |
| |
| |
| 16-22 | Moselle Open
(Metz, France) | Results | Recap |
| |
| |
| 16-22 | St. Petersburg Open
(St. Petersburg, Russia) | Results | Recap |
| |
| |
| 23-29 | Malaysian Open
(Kuala Lumpur, Malaysia) | Results | Recap |
| |
| |
| 23-29 | Thailand Open
(Bangkok, Thailand) | Results | Recap |
| |
| |
| 30-10/06 | China Open
(Beijing, China) | Results | Recap |
| |
| |
| 30-10/06 | Rakuten Japan Open Tennis Championships
(Tokyo, Japan) | Results | Recap |
| |
| |
| October | |
| 07-13 | Shanghai Rolex Masters
(Shanghai, China) | Results | Recap |
| |
| |
| 14-20 | If Stockholm Open
(Stockholm, Sweden) | Results | Recap |
| |
| |
| 14-20 | Kremlin Cup
(Moscow, Russia) | Results | Recap |
| |
| |
| 14-20 | Erste Bank Open
(Vienna, Austria) | Results | Recap |
| |
| |
| 21-27 | Swiss Indoors Basel
(Basel, Switzerland) | Results | Recap |
| |
| |
| 21-27 | Valencia Open 500
(Valencia, Spain) | Results | Recap |
| |
| |
| 28-11/03 | BNP Paribas Masters
(Paris, France) | Results | Recap |
| |
| |
| November | |
| 04-10 | Barclays ATP World Tour Finals
(London, England) | Results | Recap |
| |
| |
| 15-17 | Davis Cup Finals
 vs. 
(TBA) | Results | Recap |
| |
| |