| Doubles | |
|---|---|
| 2021 İstanbul Cup | |
| Champions |  Veronika Kudermetova  Elise Mertens |
| Runners-up |  Nao Hibino Makoto Ninomiya |
| Score | 6–1, 6–1 |
Alexa Guarachi and Desirae Krawczyk were the defending champions, but Guarachi chose not to participate this year and Krawczyk chose to compete in Stuttgart instead.[ citation needed ]
Veronika Kudermetova and Elise Mertens won the title, defeating Nao Hibino and Makoto Ninomiya in the final, 6–1, 6–1. [1]
Veronika Kudermetova / Elise Mertens (champions) Nao Hibino / Makoto Ninomiya (final)
Lara Arruabarrena / 
Renata Voráčová (first round) Anastasia Pavlyuchenkova / Anastasia Potapova (semifinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | V Kudermetova E Mertens | 6 | 6 | ||||||||||||||||||||||||
| WC |  Ç Büyükakçay P Özgen | 2 | 2 | 1 | V Kudermetova E Mertens | 6 | 4 | [10] | |||||||||||||||||||
 A Danilina K Rakhimova | 3 | 6 | [6] |  D Jakupović Y Sizikova | 4 | 6 | [8] | ||||||||||||||||||||
| D Jakupović Y Sizikova | 6 | 3 | [10] | 1 | V Kudermetova E Mertens | 6 | 6 | ||||||||||||||||||||
| 4 | A Pavlyuchenkova A Potapova | 5 | 6 | [10] | 4 | A Pavlyuchenkova A Potapova | 3 | 1 | |||||||||||||||||||
 B Haas  Q Wang | 7 | 3 | [3] | 4 | A Pavlyuchenkova A Potapova | 7 | 6 | ||||||||||||||||||||
M Kato  K Piter | 4 | 6 | [5] | PR |  V Golubic A Panova | 5 | 3 | ||||||||||||||||||||
| PR | V Golubic A Panova | 6 | 4 | [10] | 1 | V Kudermetova E Mertens | 6 | 6 | |||||||||||||||||||
 N Broady  E Lechemia | 0 | 3 | 2 | N Hibino M Ninomiya | 1 | 1 | |||||||||||||||||||||
 L Marozava  A Mitu | 6 | 6 | L Marozava A Mitu | 6 | 1 | [3] | |||||||||||||||||||||
P Kania-Choduń  J Wachaczyk | 6 | 6 | P Kania-Choduń J Wachaczyk | 2 | 6 | [10] | |||||||||||||||||||||
| 3 | L Arruabarrena R Voráčová | 2 | 2 | P Kania-Choduń J Wachaczyk | 3 | 2 | |||||||||||||||||||||
 E-s Liang S Zheng | 2 | 7 | [8] | 2 | N Hibino M Ninomiya | 6 | 6 | ||||||||||||||||||||
| WC | E Vesnina V Zvonareva | 6 | 5 | [10] | WC | E Vesnina V Zvonareva | 3 | 1 | |||||||||||||||||||
| PR |  B Gumulya J Rompies | 2 | 2 | 2 | N Hibino M Ninomiya | 6 | 6 | ||||||||||||||||||||
| 2 | N Hibino M Ninomiya | 6 | 6 | ||||||||||||||||||||||||
Varatchaya Wongteanchai and Yang Zhaoxuan were the defending champions, but chose not to participate together. Wongteanchai played alongside Nao Hibino, but lost in the quarterfinals to Ashleigh Barty and Casey Dellacqua. Yang teamed up with Shuko Aoyama, but lost in the quarterfinals to Elise Mertens and İpek Soylu.
Raluca Olaru and Olga Savchuk were the defending champions, but lost in the quarterfinals to Veronika Kudermetova and Aryna Sabalenka.
This was the first edition of the tournament.
Desirae Krawczyk and Giuliana Olmos were the defending champions, but Krawczyk chose not to participate. Olmos partnered alongside Alexa Guarachi but lost in the first round to Harriet Dart and Heather Watson.
Shuko Aoyama and Ena Shibahara defeated Hayley Carter and Luisa Stefani in the final, 6–2, 7–5, to win the women's doubles tennis title at the 2021 Miami Open. Aoyama and Shibahara's first WTA 1000 victory earned them their third title of the year and made them the first Japanese champions in Miami since Ai Sugiyama in 2008.
Barbora Krejčíková and Kateřina Siniaková defeated Gabriela Dabrowski and Demi Schuurs in the final, 6–4, 6–3 to win the women's doubles tennis title at the 2021 Madrid Open. It marked the duo's seventh career WTA Tour doubles title together, as well as Krejčíková's eighth individual doubles title and Siniaková's 10th.
Hsieh Su-wei and Barbora Strýcová were the defending champions, but Strýcová retired from professional tennis in May 2021. Hsieh played alongside Elise Mertens, but lost in the second round to Sharon Fichman and Giuliana Olmos.
This was the first edition of the event.
Hsieh Su-wei and Elise Mertens defeated Veronika Kudermetova and Elena Rybakina in the final, 7–6(7–1), 6–3, to win the women's doubles tennis title at the 2021 Indian Wells Masters. It was Hsieh's third title at the tournament and her 30th career doubles title overall. Mertens successfully defended her title to win for a second time after she first won the tournament in 2019 with Aryna Sabalenka, who chose not to defend her title.
Barbora Krejčíková and Kateřina Siniaková defeated Anna Danilina and Beatriz Haddad Maia in the final, 6–7(3–7), 6–4, 6–4 to win the women's doubles tennis title at the 2022 Australian Open. It was their fourth major title together.
Anna Kalinskaya and Caty McNally defeated Alicja Rosolska and Erin Routliffe in the final, 6–3, 6–7(5–7), [10–4] to win the doubles tennis title at the 2022 St. Petersburg Ladies' Trophy.
Veronika Kudermetova and Elise Mertens defeated Lyudmyla Kichenok and Jeļena Ostapenko in the final, 6–1, 6–3 to win the women's doubles tennis title at the 2022 Dubai Tennis Championships. Ostapenko was aiming to become the first woman to win both the singles and doubles titles in the same edition of the Dubai Tennis Championships.
Coco Gauff and Jessica Pegula defeated Veronika Kudermetova and Elise Mertens in the final, 3–6, 7–5, [10–5] to win the doubles tennis title at the 2022 Qatar Open.
Xu Yifan and Yang Zhaoxuan defeated Asia Muhammad and Ena Shibahara in the final, 7–5, 7–6(7–4) to win the women's doubles tennis title at the 2022 Indian Wells Masters. They became the first all-Chinese team to win a WTA 1000-level title.
Laura Siegemund and Vera Zvonareva defeated Veronika Kudermetova and Elise Mertens in the final, 7–6(7–3), 7–5 to win the women's doubles title at the 2022 Miami Open.
Veronika Kudermetova and Anastasia Pavlyuchenkova defeated reigning champion Giuliana Olmos and partner Gabriela Dabrowski in the final, 1–6, 6–4, [10–7] to win the women's doubles tennis title at the 2022 Italian Open.
Nicole Melichar-Martinez and Daria Saville defeated Lucie Hradecká and Sania Mirza in the final, 5–7, 7–5, [10–6] to win the doubles tennis title at the 2022 Internationaux de Strasbourg.
Ellen Perez and Tamara Zidanšek defeated Veronika Kudermetova and Elise Mertens in the final, 6–3, 5–7, [12–10] to win the women's doubles tennis title at the 2022 Rosmalen Grass Court Championships. They saved a championship point en route to the title.
Gabriela Dabrowski and Giuliana Olmos defeated Nicole Melichar-Martinez and Ellen Perez in the final, 6–4, 6–4 to win the doubles tennis title at the 2022 Pan Pacific Open.
Coco Gauff and Kateřina Siniaková defeated Sara Errani and Jasmine Paolini in the final, 7–6(7–5), 6–3 to win the women's doubles tennis title at the 2024 French Open. It was Gauff's first major women's doubles title and Siniaková's eighth.