Tami Grende and Ye Qiuyu were the defending champions, but chose not to participate.
İpek Soylu and Jil Teichmann were the defending champions, but they chose not to participate.
Viktória Kužmová and Aleksandra Pospelova won the title, defeating Anna Kalinskaya and Anastasia Potapova in the final, 7–5, 6–2.
Çağla Büyükakçay and Maria Sakkari were the defending champions, but Sakkari chose not to participate. Büyükakçay partnered Mona Barthel, but lost in the quarterfinals to Lesley Kerkhove and Lidziya Marozava.
María José Martínez Sánchez and Marina Melnikova were the defending champions, but Martínez Sánchez chose not to participate. Melnikova partnered Paula Kania, but they lost in the quarterfinals to Elitsa Kostova and Cornelia Lister.
Ema Burgić Bucko and Jasmina Tinjić were the defending champions, but Burgić Bucko had retired from professional tennis earlier in the year. Tinjić partnered Anna Morgina, but they lost in the first round to Richèl Hogenkamp and Karolína Muchová.
Hiroko Kuwata and Zhu Lin were the defending champions, but Zhu chose not to participate. Kuwata played alongside Valeria Savinykh as the top seeds, but they lost in the final to the second seeds Priscilla Hon and Valeria Savinykh in the final, 6–3, 6–4.
Lesley Kerkhove and Lidziya Marozava were the defending champions, but Marozava chose not to participate.
Nao Hibino and Alicja Rosolska were the defending champions, but Rosolska chose to compete in Charleston instead. Hibino played alongside Darija Jurak, but lost in the quarterfinals to Valeria Savinykh and Yana Sizikova.
Anett Kontaveit was the defending champion, but lost in the first round to Veronika Kudermetova.
Anna Blinkova and Alla Kudryavtseva were the defending champions, but both players chose to participate in different tournaments. Blinkova chose to participate at Mallorca, while Kudryavtseva chose to compete at Birmingham.
Valeria Savinykh and Maryna Zanevska were the defending champions, but neither player chose to participate.
Petra Kvitová was the defending champion, but lost to Donna Vekić in the quarterfinals.
Kiki Bertens defeated Simona Halep in the final, 6–4, 6–4 to win the women's singles tennis title at the 2019 Madrid Open. She became the first player to win the title without losing a set en route.
Hsieh Su-wei was the defending champion, but lost to Nao Hibino in the quarterfinals.
Simona Halep defeated Elena Rybakina in the final, 3–6, 6–3, 7–6(7–5) to win the women's singles tennis title at the 2020 Dubai Tennis Championships. Halep saved a match point en route to the title, against Ons Jabeur in the second round.
Defending champions Tímea Babos and Kristina Mladenovic defeated Alexa Guarachi and Desirae Krawczyk in the final, 6–4, 7–5 to win the women's doubles tennis title at the 2020 French Open.
This was the first edition of the tournament, primarily organised due to the cancellation of many tournaments during the 2020 season, because of the ongoing COVID-19 pandemic.
The Gippsland Trophy is a new addition to the WTA Tour in 2021.
Elise Mertens and Aryna Sabalenka defeated Barbora Krejčíková and Kateřina Siniaková in the final, 6–2, 6–3, to win the women's doubles tennis title at the 2021 Australian Open. It was their second major doubles title as a team, after the 2019 US Open. With the win, Sabalenka claimed the world No. 1 doubles ranking.
Zheng Saisai was the reigning champion but chose not to participate.
Anna Blinkova 
Belinda Bencic 
Michaela Hončová 
