Week of | Tournament | Champions | Runners-up | Semifinalists | Quarterfinalists |
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2 January | Brisbane International Brisbane, Australia | Karolína Plíšková 6–0, 6–3 | Alizé Cornet | Elina Svitolina
Garbiñe Muguruza | Angelique Kerber
Roberta Vinci
Svetlana Kuznetsova
Dominika Cibulková |
Bethanie Mattek-Sands
Sania Mirza 6–2, 6–3 | Ekaterina Makarova
Elena Vesnina |
9 January | Apia International Sydney Sydney, Australia | Johanna Konta 6–4, 6–2 | Agnieszka Radwańska | Eugenie Bouchard
Barbora Strýcová | Daria Kasatkina
Anastasia Pavlyuchenkova
Caroline Wozniacki
Duan Yingying |
Tímea Babos
Anastasia Pavlyuchenkova 6–4, 6–4 | Sania Mirza
Barbora Strýcová |
30 January | St. Petersburg Ladies' Trophy St. Petersburg, Russia | Kristina Mladenovic 6–2, 6–7(3–7), 6–4 | Yulia Putintseva | Natalia Vikhlyantseva
Dominika Cibulková | Simona Halep
Roberta Vinci
Svetlana Kuznetsova
Elena Vesnina |
Jeļena Ostapenko
Alicja Rosolska 3–6, 6–2, [10–5] | Darija Jurak
Xenia Knoll |
13 February | Qatar Total Open Doha, Qatar | Karolína Plíšková 6–3, 6–4 | Caroline Wozniacki | Monica Puig
Dominika Cibulková | Daria Kasatkina
Lauren Davis
Samantha Stosur
Zhang Shuai |
Abigail Spears
Katarina Srebotnik 6–3, 7–6(9–7) | Olga Savchuk
Yaroslava Shvedova |
3 April | Volvo Car Open Charleston, USA | Daria Kasatkina 6–3, 6–1 | Jeļena Ostapenko | Mirjana Lučić-Baroni
Laura Siegemund | Shelby Rogers
Caroline Wozniacki
Anastasija Sevastova
Irina-Camelia Begu |
Bethanie Mattek-Sands
Lucie Šafářová 6–1, 4–6, [10–7] | Lucie Hradecká
Kateřina Siniaková |
24 April | Porsche Tennis Grand Prix Stuttgart, Germany | Laura Siegemund 6–1, 2–6, 7–6(7–5) | Kristina Mladenovic | Maria Sharapova
Simona Halep | Carla Suárez Navarro
Anett Kontaveit
Anastasija Sevastova
Karolína Plíšková |
Raquel Atawo
Jeļena Ostapenko 6–4, 6–4 | Abigail Spears
Katarina Srebotnik |
19 June | Aegon Classic Birmingham, UK | Petra Kvitová 4–6, 6–3, 6–2 | Ashleigh Barty | Lucie Šafářová
Garbiñe Muguruza | Daria Gavrilova
Kristina Mladenovic
Coco Vandeweghe
Camila Giorgi |
Ashleigh Barty
Casey Dellacqua 6–1, 2–6, [10–8] | Chan Hao-ching
Zhang Shuai |
26 June | Aegon International Eastbourne, UK | Karolína Plíšková 6–4, 6–4 | Caroline Wozniacki | Johanna Konta
Heather Watson | Angelique Kerber
Svetlana Kuznetsova
Barbora Strýcová
Simona Halep |
Chan Yung-jan
Martina Hingis 6–3, 7–5 | Ashleigh Barty
Casey Dellacqua |
31 July | Bank of the West Classic Stanford, USA | Madison Keys 7–6(7–4), 6–4 | Coco Vandeweghe | Garbiñe Muguruza
Catherine Bellis | Ana Konjuh
Lesia Tsurenko
Anastasia Pavlyuchenkova
Petra Kvitová |
Abigail Spears
Coco Vandeweghe 6–2, 6–3 | Alizé Cornet
Alicja Rosolska |
21 August | Connecticut Open New Haven, USA | Daria Gavrilova 4–6, 6–3, 6–4 | Dominika Cibulková | Agnieszka Radwańska
Elise Mertens | Peng Shuai
Kirsten Flipkens
Zhang Shuai
Anastasia Pavlyuchenkova |
Gabriela Dabrowski
Xu Yifan 3–6, 6–3, [10–8] | Ashleigh Barty
Casey Dellacqua |
18 September | Toray Pan Pacific Open Tokyo, Japan | Caroline Wozniacki 6–0, 7–5 | Anastasia Pavlyuchenkova | Garbiñe Muguruza
Angelique Kerber | Caroline Garcia
Dominika Cibulková
Barbora Strýcová
Karolína Plíšková |
Andreja Klepač
María José Martínez Sánchez 6–3, 6–2 | Daria Gavrilova
Daria Kasatkina |
16 October | Kremlin Cup Moscow, Russia | Julia Görges 6–1, 6–2 | Daria Kasatkina | Irina-Camelia Begu
Natalia Vikhlyantseva | Aliaksandra Sasnovich
Vera Lapko
Alizé Cornet
Lesia Tsurenko |
Tímea Babos
Andrea Hlaváčková 6–2, 3–6, [10–3] | Nicole Melichar
Anna Smith |