| Week of |
Tournament |
Champions |
Runners-up |
Semifinalists |
Quarterfinalists |
| 6 January | Brisbane International Brisbane, Australia | Karolína Plíšková 6–4, 4–6, 7–5 | Madison Keys | Petra Kvitová
Naomi Osaka | Jennifer Brady
Danielle Collins
Kiki Bertens
Alison Riske |
Hsieh Su-wei Barbora Strýcová 3–6, 7–6(9–7), [10–8] | Ashleigh Barty Kiki Bertens |
| 13 January | Adelaide International Adelaide, Australia | Ashleigh Barty 6–2, 7–5 | Dayana Yastremska | Danielle Collins Aryna Sabalenka | Markéta Vondroušová
Belinda Bencic
Donna Vekić
Simona Halep |
Nicole Melichar Xu Yifan 2–6, 7–5, [10–5] | Gabriela Dabrowski Darija Jurak |
| 10 February | St. Petersburg Ladies' Trophy St. Petersburg, Russia | Kiki Bertens 6–1, 6–3 | Elena Rybakina | Maria Sakkari
Ekaterina Alexandrova | Belinda Bencic
Océane Dodin
Petra Kvitová
Anastasia Potapova |
Shuko Aoyama Ena Shibahara 4–6, 6–0, [10–3] | Kaitlyn Christian Alexa Guarachi |
| 17 February | Dubai Tennis Championships Dubai, UAE | Simona Halep 3–6, 6–3, 7–6(7–5) | Elena Rybakina | Jennifer Brady
Petra Martić | Aryna Sabalenka
Garbiñe Muguruza
Anett Kontaveit
Karolína Plíšková |
Hsieh Su-wei Barbora Strýcová 7–5, 3–6, [10–5] | Barbora Krejčíková Zheng Saisai |
| 6 April | Volvo Car Open Charleston, USA | Cancelled due to coronavirus outbreak.[3] |
| 20 April | Porsche Tennis Grand Prix Stuttgart, Germany |
| 15 June | German Open Berlin, Germany |
| 22 June | Eastbourne International Eastbourne, UK |
| 3 August | Silicon Valley Classic San Jose, USA |
| 14 September | Zhengzhou Open Zhengzhou, China |
| 21 September | Toray Pan Pacific Open Tokyo, Japan |
| 19 October | Ostrava Open Ostrava, Czech Republic | Aryna Sabalenka 6–2, 6–2 | Victoria Azarenka | Maria Sakkari
Jennifer Brady | Ons Jabeur
Elise Mertens
Sara Sorribes Tormo
Veronika Kudermetova |
Elise Mertens Aryna Sabalenka 6–1, 6–3 | Gabriela Dabrowski Luisa Stefani |
| 26 October | Kremlin Cup Moscow, Russia | Cancelled due to coronavirus outbreak.[3] |