| No | Date | Nom et lieu du tournoi | Catégorie | Dotation | Surface | Vainqueures | Finalistes | Score | |
|---|
| 1 | 04/01/2015 | Brisbane International by Suncorp Brisbane | Premier | 1 000 000 $ | Dur (ext.) | Martina Hingis
Sabine Lisicki | Caroline Garcia
Katarina Srebotnik | 6-2, 7-5 | Tableau |
| 2 | 04/01/2015 | Shenzhen Open Shenzhen | Intern'l | 500 000 $ | Dur (ext.) | Lyudmyla Kichenok
Nadiia Kichenok | Liang Chen
Wang Yafan | 6-4, 7-66 | Tableau |
| 3 | 05/01/2015 | ASB Classic Auckland | Intern'l | 250 000 $ | Dur (ext.) | Sara Errani
Roberta Vinci | Shuko Aoyama
Renata Voráčová | 6-2, 6-1 | Tableau |
| 4 | 11/01/2015 | Apia International Sydney Sydney | Premier | 731 000 $ | Dur (ext.) | Bethanie Mattek
Sania Mirza | Raquel Kops-Jones
Abigail Spears | 6-3, 6-3 | Tableau |
| 5 | 11/01/2015 | Hobart International Hobart | Intern'l | 250 000 $ | Dur (ext.) | Kiki Bertens
Johanna Larsson | Vitalia Diatchenko
Monica Niculescu | 7-5, 6-3 | Tableau |
| 6 | 19/01/2015 | Australian Open Melbourne | G. Chelem | 15 561 973 $ | Dur (ext.) | Bethanie Mattek
Lucie Šafářová | Chan Yung-jan
Zheng Jie | 6-4, 7-65 | Tableau |
| 7 | 09/02/2015 | BNP Paribas Fortis Diamond Games Anvers | Premier | 731 000 $ | Dur (int.) | Anabel Medina
Arantxa Parra | An-Sophie Mestach
Alison Van Uytvanck | 6-4, 3-6, [10-5] | Tableau |
| 8 | 09/02/2015 | PTT Thailand Open Pattaya | Intern'l | 250 000 $ | Dur (ext.) | Chan Hao-ching
Chan Yung-jan | Shuko Aoyama
Tamarine Tanasugarn | 2-6, 6-4, [10-3] | Tableau |
| 9 | 15/02/2015 | Duty Free Tennis Championships Dubaï | Premier 5 | 2 513 000 $ | Dur (ext.) | Tímea Babos
Kristina Mladenovic | Garbiñe Muguruza
Carla Suárez Navarro | 6-3, 6-2 | Tableau |
| 10 | 16/02/2015 | Rio Open by Claro Rio de Janeiro | Intern'l | 250 000 $ | Terre (ext.) | Ysaline Bonaventure
Rebecca Peterson | Irina-Camelia Begu
María Irigoyen | 3-0,ab. | Tableau |
| 11 | 23/02/2015 | Qatar Total Open 2015 Doha | Premier | 731 000 $ | Dur (ext.) | Raquel Kops-Jones
Abigail Spears | Hsieh Su-wei
Sania Mirza | 6-4, 6-4 | Tableau |
| 12 | 23/02/2015 | Abierto Mexicano Telcel por HSBC Acapulco | Intern'l | 250 000 $ | Dur (ext.) | Lara Arruabarrena
M. T. Torró Flor | Andrea Hlaváčková
Lucie Hradecká | 7-62, 5-7, [13-11] | Tableau |
| 13 | 02/03/2015 | Abierto Monterrey Afirme Monterrey | Intern'l | 500 000 $ | Dur (ext.) | Gabriela Dabrowski
Alicja Rosolska | Anastasia Rodionova
Arina Rodionova | 6-3, 2-6, [10-3] | Tableau |
| 14 | 02/03/2015 | BMW Malaysian Open Kuala Lumpur | Intern'l | 250 000 $ | Dur (ext.) | Liang Chen
Wang Yafan | Yuliya Beygelzimer
Olga Savchuk | 4-6, 6-3, [10-4] | Tableau |
| 15 | 11/03/2015 | BNP Paribas Open Indian Wells | PREMIER* | 5 381 235 $ | Dur (ext.) | Martina Hingis
Sania Mirza | Ekaterina Makarova
Elena Vesnina | 6-3, 6-4 | Tableau |
| 16 | 23/03/2015 | Miami Open presented by Itaú Miami | PREMIER* | 5 381 235 $ | Dur (ext.) | Martina Hingis
Sania Mirza | Ekaterina Makarova
Elena Vesnina | 7-5, 6-1 | Tableau |
| 17 | 06/04/2015 | Family Circle Cup Charleston | Premier | 731 000 $ | Terre (ext.) | Martina Hingis
Sania Mirza | Casey Dellacqua
Darija Jurak | 6-0, 6-4 | Tableau |
| 18 | 06/04/2015 | Katowice Open Katowice | Intern'l | 250 000 $ | Dur (int.) | Ysaline Bonaventure
Demi Schuurs | Gioia Barbieri
Karin Knapp | 7-5, 4-6, [10-6] | Tableau |
| 19 | 13/04/2015 | Claro Open Colsanitas Bogota | Intern'l | 250 000 $ | Terre (ext.) | Paula C. Gonçalves
Beatriz Haddad Maia | Irina Falconi
Shelby Rogers | 6-3, 3-6, [10-6] | Tableau |
| 20 | 20/04/2015 | Porsche Tennis Grand Prix Stuttgart | Premier | 731 000 $ | Terre (int.) | Bethanie Mattek
Lucie Šafářová | Caroline Garcia
Katarina Srebotnik | 6-4, 6-3 | Tableau |
| 21 | 27/04/2015 | GP Princesse Lalla Meryem Marrakech | Intern'l | 250 000 $ | Terre (ext.) | Tímea Babos
Kristina Mladenovic | Laura Siegemund
Maryna Zanevska | 6-1, 7-65 | Tableau |
| 22 | 27/04/2015 | J&T Banka Prague Open Prague | Intern'l | 250 000 $ | Terre (ext.) | Belinda Bencic
Kateřina Siniaková | Kateryna Bondarenko
Eva Hrdinová | 6-2, 6-2 | Tableau |
| 23 | 02/05/2015 | Mutua Madrid Open Madrid | PREMIER* | 4 785 714 $ | Terre (ext.) | Casey Dellacqua
Yaroslava Shvedova | Garbiñe Muguruza
Carla Suárez Navarro | 6-3, 6-74, [10-5] | Tableau |
| 24 | 11/05/2015 | Internazionali BNL d'Italia Rome | Premier 5 | 2 707 664 $ | Terre (ext.) | Tímea Babos
Kristina Mladenovic | Martina Hingis
Sania Mirza | 6-4, 6-3 | Tableau |
| 25 | 17/05/2015 | Internationaux de Strasbourg Strasbourg | Intern'l | 250 000 $ | Terre (ext.) | Chuang Chia-jung
Liang Chen | Nadiia Kichenok
Zheng Saisai | 4-6, 6-4, [12-10] | Tableau |
| 26 | 17/05/2015 | Nürnberger Versicherungscup Nuremberg | Intern'l | 250 000 $ | Terre (ext.) | Chan Hao-ching
Anabel Medina | Lara Arruabarrena
Raluca Olaru | 6-4, 7-65 | Tableau |
| 27 | 24/05/2015 | Roland-Garros Paris | G. Chelem | 15 980 135 $ | Terre (ext.) | Bethanie Mattek
Lucie Šafářová | Casey Dellacqua
Yaroslava Shvedova | 3-6, 6-4, 6-2 | Tableau |
| 28 | 08/06/2015 | Aegon Open Notthingham Nottingham | Intern'l | 250 000 $ | Gazon (ext.) | Raquel Kops-Jones
Abigail Spears | Jocelyn Rae
Anna Smith | 3-6, 6-3, [11-9] | Tableau |
| 29 | 08/06/2015 | Topshelf Open Bois-le-Duc | Intern'l | 250 000 $ | Gazon (ext.) | Asia Muhammad
Laura Siegemund | Jelena Janković
A. Pavlyuchenkova | 6-3, 7-5 | Tableau |
| 30 | 15/06/2015 | Aegon Classic Birmingham | Premier | 731 000 $ | Gazon (ext.) | Garbiñe Muguruza
Carla Suárez Navarro | Andrea Hlaváčková
Lucie Hradecká | 6-4, 6-4 | Tableau |
| 31 | 21/06/2015 | AEGON International Eastbourne | Premier | 731 000 $ | Gazon (ext.) | Caroline Garcia
Katarina Srebotnik | Chan Yung-jan
Zheng Jie | 7-65, 6-2 | Tableau |
| 32 | 29/06/2015 | The Championships Wimbledon | G. Chelem | 20 458 117 $ | Gazon (ext.) | Martina Hingis
Sania Mirza | Ekaterina Makarova
Elena Vesnina | 5-7, 7-64, 7-5 | Tableau |
| 33 | 13/07/2015 | BRD Bucharest Open Bucarest | Intern'l | 250 000 $ | Terre (ext.) | Oksana Kalashnikova
Demi Schuurs | Andreea Mitu
Patricia Maria Țig | 6-2, 6-2 | Tableau |
| 34 | 13/07/2015 | Collector Swedish Open Båstad | Intern'l | 250 000 $ | Terre (ext.) | Kiki Bertens
Johanna Larsson | Tatjana Maria
Olga Savchuk | 7-5, 6-4 | Tableau |
| 35 | 20/07/2015 | TEB BNP Paribas Istanbul Cup Istanbul | Intern'l | 250 000 $ | Dur (ext.) | Daria Gavrilova
Elina Svitolina | Çağla Büyükakçay
Jelena Janković | 5-7, 6-1, [10-4] | Tableau |
| 36 | 20/07/2015 | Nürnberger Gastein Ladies Bad Gastein | Intern'l | 250 000 $ | Terre (ext.) | Danka Kovinić
Stephanie Vogt | Lara Arruabarrena
Lucie Hradecká | 4-6, 6-4, [10-3] | Tableau |
| 37 | 27/07/2015 | Baku Cup Bakou | Intern'l | 250 000 $ | Dur (ext.) | Margarita Gasparyan
Alexandra Panova | Vitalia Diatchenko
Olga Savchuk | 6-3, 7-5 | Tableau |
| 38 | 27/07/2015 | Brasil Tennis Cup Florianópolis | Intern'l | 250 000 $ | Terre (ext.) | Annika Beck
Laura Siegemund | María Irigoyen
Paula Kania | 6-3, 7-61 | Tableau |
| 39 | 27/07/2015 | Jiangxi Women's Tennis Open Nanchang | WTA 125 | 125 000 $ | Dur (ext.) | Chang Kai-chen
Zheng Saisai | Chan Chin-wei
Wang Yafan | 6-3, 4-6, [10-3] | Tableau |
| 40 | 03/08/2015 | Bank of the West Classic Stanford | Premier | 731 000 $ | Dur (ext.) | Xu Yifan
Zheng Saisai | Anabel Medina
Arantxa Parra | 6-1, 6-3 | Tableau |
| 41 | 03/08/2015 | Citi Open Washington | Intern'l | 250 000 $ | Dur (ext.) | Belinda Bencic
Kristina Mladenovic | Lara Arruabarrena
Andreja Klepač | 7-5, 7-67 | Tableau |
| 42 | 10/08/2015 | Rogers Cup by National Bank Toronto | Premier 5 | 2 513 000 $ | Dur (ext.) | Bethanie Mattek
Lucie Šafářová | Caroline Garcia
Katarina Srebotnik | 6-1, 6-2 | Tableau |
| 43 | 17/08/2015 | Western & Southern Open Cincinnati | Premier 5 | 2 701 240 $ | Dur (ext.) | Chan Hao-ching
Chan Yung-jan | Casey Dellacqua
Yaroslava Shvedova | 7-5, 6-4 | Tableau |
| 44 | 23/08/2015 | Connecticut Open by United Technologies New Haven | Premier | 754 163 $ | Dur (ext.) | Julia Görges
Lucie Hradecká | Chuang Chia-jung
Liang Chen | 6-3, 6-1 | Tableau |
| 45 | 31/08/2015 | US Open Flushing Meadows | G. Chelem | 20 102 700 $ | Dur (ext.) | Martina Hingis
Sania Mirza | Casey Dellacqua
Yaroslava Shvedova | 6-3, 6-3 | Tableau |
| 46 | 08/09/2015 | Dalian Women's Tennis Open Dalian | WTA 125 | 125 000 $ | Dur (ext.) | Zhang Kailin
Zheng Saisai | Chan Chin-wei
Darija Jurak | 6-3, 6-4 | Tableau |
| 47 | 14/09/2015 | Coupe Banque Nationale Québec | Intern'l | 250 000 $ | Moquette (int.) | Barbora Krejčíková
An-Sophie Mestach | María Irigoyen
Paula Kania | 4-6, 6-3, [12-10] | Tableau |
| 48 | 14/09/2015 | Japan Women's Open Tennis Tokyo | Intern'l | 250 000 $ | Dur (ext.) | Chan Hao-ching
Chan Yung-jan | Misaki Doi
Kurumi Nara | 6-1, 6-2 | Tableau |
| 49 | 21/09/2015 | Toray Pan Pacific Open Tokyo | Premier | 1 000 000 $ | Dur (ext.) | Garbiñe Muguruza
Carla Suárez Navarro | Chan Hao-ching
Chan Yung-jan | 7-5, 6-1 | Tableau |
| 50 | 21/09/2015 | Korea Open Séoul | Intern'l | 500 000 $ | Dur (ext.) | Lara Arruabarrena
Andreja Klepač | Kiki Bertens
Johanna Larsson | 2-6, 6-3, [10-6] | Tableau |
| 51 | 21/09/2015 | International Women's Open Guangzhou | Intern'l | 250 000 $ | Dur (ext.) | Martina Hingis
Sania Mirza | Xu Shilin
You Xiaodi | 6-3, 6-1 | Tableau |
| 52 | 27/09/2015 | Dongfeng Motor Wuhan Open Wuhan | Premier 5 | 2 513 000 $ | Dur (ext.) | Martina Hingis
Sania Mirza | Irina-Camelia Begu
Monica Niculescu | 6-2, 6-3 | Tableau |
| 53 | 28/09/2015 | Tashkent Open Tachkent | Intern'l | 250 000 $ | Dur (ext.) | Margarita Gasparyan
Alexandra Panova | Vera Dushevina
Kateřina Siniaková | 6-1, 3-6, [10-3] | Tableau |
| 54 | 03/10/2015 | China Open Pékin | PREMIER* | 4 749 040 $ | Dur (ext.) | Martina Hingis
Sania Mirza | Chan Hao-ching
Chan Yung-jan | 6-79, 6-1, [10-8] | Tableau |
| 55 | 12/10/2015 | Tianjin Open Tianjin | Intern'l | 500 000 $ | Dur (ext.) | Xu Yifan
Zheng Saisai | Darija Jurak
Nicole Melichar | 6-2, 3-6, [10-8] | Tableau |
| 56 | 12/10/2015 | Prudential Hong Kong Tennis Open Hong Kong | Intern'l | 250 000 $ | Dur (ext.) | Alizé Cornet
Yaroslava Shvedova | Lara Arruabarrena
Andreja Klepač | 7-5, 6-4 | Tableau |
| 57 | 12/10/2015 | Generali Ladies Linz | Intern'l | 250 000 $ | Dur (int.) | Raquel Kops-Jones
Abigail Spears | Andrea Hlaváčková
Lucie Hradecká | 6-3, 7-5 | Tableau |
| 58 | 19/10/2015 | Kremlin Cup by Bank of Moscow Moscou | Premier | 768 000 $ | Dur (int.) | Daria Kasatkina
Elena Vesnina | Irina-Camelia Begu
Monica Niculescu | 6-3, 6-77, [10-5] | Tableau |
| 59 | 19/10/2015 | BGL BNP Paribas Open Luxembourg | Intern'l | 250 000 $ | Dur (int.) | Mona Barthel
Laura Siegemund | Anabel Medina
Arantxa Parra | 6-2, 7-62 | Tableau |
| 60 | 25/10/2015 | BNP Paribas WTA Finals by SC Global Singapour | Masters | 7 000 000 $ | Dur (int.) | Martina Hingis
Sania Mirza | Garbiñe Muguruza
Carla Suárez Navarro | 6-0, 6-3 | Tableau |
| 61 | 03/11/2015 | Huajin Securities WTA Elite Trophy Zhuhai | Elite Trophy | 2 150 000 $ | Dur (int.) | Liang Chen
Wang Yafan | Anabel Medina
Arantxa Parra | 6-4, 6-3 | Tableau |
| 62 | 09/11/2015 | Engie Open de Limoges Limoges | WTA 125 | 125 000 $ | Dur (int.) | Barbora Krejčíková
Mandy Minella | Margarita Gasparyan
Oksana Kalashnikova | 1-6, 7-5, [10-6] | Tableau |
| 63 | 09/11/2015 | E@ Hua Hin Championships Hua Hin | WTA 125 | 125 000 $ | Dur (ext.) | Liang Chen
Wang Yafan | Varat. Wongteanchai
Yang Zhaoxuan | 6-3, 6-4 | Tableau |
| 64 | 16/11/2015 | OEC Taipei WTA Challenger Taïwan | WTA 125 | 125 000 $ | Moquette (int.) | Kanae Hisami
Kotomi Takahata | Marina Melnikova
Elise Mertens | 6-1, 6-2 | Tableau |
| 65 | 23/11/2015 | Carlsbad Classic Carlsbad | WTA 125 | 125 000 $ | Dur (ext.) | Gabriela Cé
Verónica Cepede Royg | Oksana Kalashnikova
Tatjana Maria | 1-6, 6-4, [10-8] | Tableau |