| Previous Season: 2012 |
| Date | Event (Sites in parenthesis) | Notes |
| December | |
| 30-1/05 | Shenzhen Open
(Shenzhen, China) | Results | Recap |
Winner: (1) Li Na def. (5) Klara Zakopalova , 6-3, 1-6, 7-5 |
| |
| 30-1/05 | Brisbane International
(Brisbane, Australia) | Results | Recap |
Winner: (3) Serena Williams def. Anastasia Pavlyuchenkova , 6-2, 6-1 |
| |
| 31-1/05 | ASB Classic
(Auckland, New Zealand) | Results | Recap |
Winner: (1) Agnieszka Radwanska def. (3) Yanina Wickmayer , 6-4, 6-4 |
| |
| January | |
| 06-11 | Apia International Sydney
(Sydney, Australia) | Results | Recap |
Winner: (1) Agnieszka Radwanska def. Dominika Cibulkova , 6-0, 6-0 |
| |
| 06-13 | Moorilla Hobart International
(Hobart, Australia) | Results | Recap |
Winner: Elena Vesnina def. (9) Mona Barthel , 6-3, 6-4 |
| |
| 14-27 | (Australian Open
(Melbourne Park, Melbourne, Australia) | Results | Recap |
Winner: (1) Victoria Azarenka def. (6) Li Na, 4-6, 6-4, 6-3 |
| |
| 28-2/03 | Open GDF Suez
(Paris, France) | Results | Recap |
Winner: Mona Barthel def. (1) Sara Errani , 7-5, 7-6 (7-4) |
| |
| 28-2/03 | PTT Pattaya Open
(Pattaya City, Thailand) | Results | Recap |
| Winner: (2) Maria Kirilenko def. (5) Sabine Lisicki, 5-7, 6-1, 7-6 (7-1) |
| |
| February | |
| 09-10 | FED CUP Quarterfinal - AUS at CZE
 vs.
(Cez Arena, Ostrava, Czech Republic) | Results | Recap |
| Winner: The Czech Republic def. Australia, 4-0. |
| |
| 09-10 | FED CUP Quarterfinal - USA at ITA
vs.
(105 Stadium, Rimini, Italy) | Results | Recap |
| Winner: Italy def. United States, 3-2. |
| |
| 09-10 | FED CUP Quarterfinal - JPN at RUS
 vs.
(Olympic Stadium, Moscow, Russia) | Results | Recap |
| Winner: Russia def. Japan, 3-2. |
| |
| 09-10 | FED CUP Quarterfinal - SVK at SRB
vs. 
(Hala "CAIR", Nis, Serbia) | Results | Recap |
| Winner: Slovakia def. Serbia, 3-2. |
| |
| 11-16 | Qatar Total Open
(Doha, Qatar) | Results | Recap |
| Winner: (1) Victoria Azarenka def. (2) Serena Williams, 7-6 (8-6), 2-6, 6-3 |
| |
| 17-23 | U.S. National Indoor Tennis Championships
(The Racquet Club of Memphis, Memphis, Tennessee) | Results | Recap |
Winner: Marina Erakovic def. (3) Sabine Lisicki, 6-1 (ret) |
| |
| 18-23 | Dubai Duty Free Tennis Championships
(Dubai Tennis Stadium, Dubai, United Arab Emirates) | Results | Recap |
| Winner: (6) Petra Kvitova def. (5) Sara Errani, 6-2, 1-6, 6-1 |
| |
| 18-24 | Copa Claro Colsanitas
(Centro de Alto Rendimiento, Bogota, Colombia) | Results | Recap |
Winner: (1) Jelena Jankovic def. Paula Ormaechea , 6-1, 6-2 |
| |
| 24-3/02 | WTA Brasil Tennis Cup
(Florianopolis, Brazil) | Results | Recap |
Winner: Monica Niculescu def. Olga Puchkova, 6-2, 4-6, 6-4 |
| |
| 25-3/02 | Abierto Mexicano Telcel
(Acapulco, Mexico) | Results | Recap |
Winner: (1) Sara Errani def. (2) Carla Suarez Navarro , 6-0, 6-4 |
| |
| 25-3/03 | BMW Malaysian Open
(Kuala Lumpur, Malaysia) | Results | Recap |
| Winner: Karolina Pliskova def. Bethanie Mattek-Sands, 1-6, 7-5, 6-3 |
| |
| March | |
| 06-17 | BNP Paribas Open
(Indian Wells Tennis Garden, Indian Wells, California) | Results | Recap |
Winner: (2) Maria Sharapova def. (8) Caroline Wozniacki , 6-2, 6-2 |
| |
| 19-31 | Sony Open Tennis
(Tennis Center at Crandon Park, Miami, Florida) | Results | Recap |
| Winner: (1) Serena Williams def. (3) Maria Sharapova, 4-6, 6-3, 6-0 |
| |
| April | |
| 01-07 | Family Circle Cup
(Charleston, South Carolina) | Results | Recap |
| Winner: (1) Serena Williams def. (9) Jelena Jankovic, 3-6, 6-0, 6-2 |
| |
| 01-07 | Monterrey Open
(Monterrey, Mexico) | Results | Recap |
| Winner: (5) Anastasia Pavlyuchenkova def. (1) Angelique Kerber, 4-6, 6-2, 6-4 |
| |
| 08-14 | BNP Paribas Katowice Open
(Katowice, Poland) | Results | Recap |
| Winner: (2) Roberta Vinci def. (1) Petra Kvitova, 7-6 (7-2), 6-1 |
| |
| 20-21 | FED CUP Semifinal - CZE at ITA
vs.
(Circolo del Tennis Palermo, Palermo, Italy) | Results | Recap |
| Winner: Italy def. Czech Republic, 3-1. |
| |
| 20-21 | FED CUP Semifinal - SVK at RUS
vs.
(Sports Center Krylatskoye, Moscow, Russia) | Results | Recap |
| Winner: Russia def. Slovak Republic, 3-2. |
| |
| 22-28 | Moroccan Grand Prix
(Marrakech, Morocco) | Results | Recap |
| Winner: (6) Francesca Schiavone def. Lourdes Dominguez Lino, 6-1, 6-3 |
| |
| 23-28 | Porsche Tennis Grand Prix
(Stuttgart, Germany) | Results | Recap |
| Winner: (1) Maria Sharapova def. (2) Li Na, 6-4, 6-3 |
| |
| 29-5/04 | Portugal Open
(Oeiras, Portugal) | Results | Recap |
| Winner: (3) Anastasia Pavlyuchenkova def. (4) Carla Suarez Navarro, 7-5, 6-2 |
| |
| May | |
| 04-12 | Mutua Madrid Open
(The Magic Box, Madrid, Spain) | Results | Recap |
| Winner: (1) Serena Williams def. (2) Maria Sharapova, 6-1, 6-4 |
| |
| 13-19 | Internazionali BNL d'Italia
(Foro Italico, Rome, Italy) | Results | Recap |
| Winner: (1) Serena Williams def. (3) Victoria Azarenka, 6-1, 6-3 |
| |
| 20-25 | Brussels Open
(Royal Primerose Tennis Club, Brussels, Belgium) | Results | Recap |
| Two second-round matches were either suspended or postponed Wednesday because of darkness. |
| |
| 20-25 | Internationaux de Strasbourg
(Strasbourg Tennis Club, Strasbourg, France) | Results | Recap |
| |
| |
| 26-6/09 | (French Open
(Stade Roland Garros, Paris, France) | Results | Recap |
| |
| |
| June | |
| 10-16 | AEGON Classic
(Edgbaston Priory Club, Birmingham, England) | Results | Recap |
| |
| |
| 10-15 | Nurnberger Versicherungscup
(Nurnberg, Germany) | Results | Recap |
| |
| |
| 16-23 | 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 Lawns Tennis Club, Wimbledon, England) | Results | Recap |
| |
| |
| July | |
| 08-14 | Budapest Grand Prix
(Budapest, Hungary) | Results | Recap |
| |
| |
| 08-14 | XXVI Internazionali WTA di Sicilia
(Palermo, Italy) | Results | Recap |
| |
| |
| 15-21 | Collector Swedish Open
(Bastad, Sweden) | Results | Recap |
| |
| |
| 15-21 | Nurnberger Gastein Ladies
(Hotel Europaischerhof, Bad Gastein, Austria) | Results | Recap |
| |
| |
| 22-28 | Bank of the West Classic
(Stanford, California) | Results | Recap |
| |
| |
| 22-28 | Baku Cup
(Baku, Azerbaijan) | Results | Recap |
| |
| |
| 29-8/04 | Southern California Open
(Carlsbad, California) | Results | Recap |
| |
| |
| 29-8/04 | Citi Open
(Willliam H.G. FitzGerald Tennis Center, Washington, DC) | Results | Recap |
| |
| |
| August | |
| 05-11 | Rogers Cup
(Toronto, Ontario, Canada) | Results | Recap |
| |
| |
| 12-18 | Western & Southern Open
(Mason, Ohio) | Results | Recap |
| |
| |
| 18-25 | New Haven Open at Yale
(Connecticut Tennis Center at Yale, New Haven, Connecticut) | Results | Recap |
| |
| |
| 18-25 | Texas Tennis Open
(Hilton Lakes Tennis & Sports Club, Dallas, Texas) | Results | Recap |
| |
| |
| 26-9/08 | (U.S. Open
(Flushing Meadows, New York) | Results | Recap |
| |
| |
| September | |
| 09-15 | Tashkent Open
(Tashkent, Uzbekistan) | Results | Recap |
| |
| |
| 09-15 | Bell Challenge
(Quebec City, Quebec, Canada) | Results | Recap |
| |
| |
| 16-22 | KDB Korea Open
(Seoul, Korea) | Results | Recap |
| |
| |
| 16-22 | Guangzhou International Women's Open
(Guangzhou, China) | Results | Recap |
| |
| |
| 22-28 | Toray Pan Pacific Open
(Tokyo, Japan) | Results | Recap |
| |
| |
| 28-10/06 | China Open
(Beijing, China) | Results | Recap |
| |
| |
| October | |
| 07-13 | Generali Ladies Linz
(Linz, Austria) | Results | Recap |
| |
| |
| 07-13 | HP Open
(Osaka, Japan) | Results | Recap |
| |
| |
| 14-20 | Kremlin Cup
(Moscow, Russia) | Results | Recap |
| |
| |
| 14-20 | BGL BNP Paribas Luxembourg Open
(Luxembourg, Luxembourg) | Results | Recap |
| |
| |
| 22-28 | TEB BNP Paribas WTA Championships
(Sinan Erdem Dome, Istanbul, Turkey) | Results | Recap |
| |
| |
| 29-11/03 | Qatar Airways Tournament of Champions
(Sofia, Bulgaria) | Results | Recap |
| |
| |
| November | |
| 02-03 | FED CUP Final - RUS at ITA
vs.
(at Italy) | Results | Recap |
| |
| |