| Women's doubles | |
|---|---|
| 2020 Italian Open | |
| Champions |  Hsieh Su-wei  Barbora Strýcová |
| Runners-up |  Anna-Lena Friedsam  Raluca Olaru |
| Final score | 6–2, 6–2 |
Victoria Azarenka and Ashleigh Barty are the defending champions [1] but neither player chose to participate.
Hsieh Su-wei and Barbora Strýcová won the title, defeating Anna-Lena Friedsam and Raluca Olaru in the final, 6–2, 6–2.
The top four seeds received a bye into the second round.
Hsieh Su-wei / Barbora Strýcová (champions)
Tímea Babos / 
Zhang Shuai (second round)
Gabriela Dabrowski / 
Jeļena Ostapenko (second round)
Nicole Melichar / 
Demi Schuurs (second round)
Kirsten Flipkens / Elise Mertens (withdrew)
Veronika Kudermetova / Kateřina Siniaková (quarterfinals)
Shuko Aoyama / Ena Shibahara (semifinals) Sofia Kenin / Bethanie Mattek-Sands (first round)| Semifinals | Final | ||||||||||||
| 1 | Hsieh Su-wei Barbora Strýcová | 7 | 6 | ||||||||||
Hayley Carter  Luisa Stefani | 5 | 4 | |||||||||||
| 1 | Hsieh Su-wei Barbora Strýcová | 6 | 6 | ||||||||||
| Anna-Lena Friedsam Raluca Olaru | 2 | 2 | |||||||||||
| Anna-Lena Friedsam Raluca Olaru | 3 | 6 | [10] | ||||||||||
| 7 | Shuko Aoyama Ena Shibahara | 6 | 2 | [4] | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | S-w Hsieh B Strýcová | 6 | 6 | ||||||||||||||||||||||||
| N Hibino M Ninomiya | 1 | 7 | [10] | N Hibino M Ninomiya | 0 | 0 | |||||||||||||||||||||
| WC |  E Cocciaretto M Trevisan | 6 | 5 | [5] | 1 | S-w Hsieh B Strýcová | 77 | 6 | |||||||||||||||||||
| WC | G Gatto-Monticone J Paolini | 6 | 6 | 6 | V Kudermetova K Siniaková | 65 | 4 | ||||||||||||||||||||
 O Kalashnikova L Siegemund | 3 | 4 | WC | G Gatto-Monticone J Paolini | 1 | 0 | |||||||||||||||||||||
K Christian  G Olmos | 2 | 3 | 6 | V Kudermetova K Siniaková | 6 | 6 | |||||||||||||||||||||
| 6 | V Kudermetova K Siniaková | 6 | 6 | 1 | S-w Hsieh B Strýcová | 7 | 6 | ||||||||||||||||||||
| H Carter L Stefani | 5 | 4 | |||||||||||||||||||||||||
| 3 | G Dabrowski J Ostapenko | 5 | 3 | ||||||||||||||||||||||||
 E Perez S Sanders | 3 | 62 | L Hradecká  A Klepač | 7 | 6 | ||||||||||||||||||||||
| L Hradecká A Klepač | 6 | 77 | L Hradecká A Klepač | 77 | 4 | [8] | |||||||||||||||||||||
| H Carter L Stefani | 6 | 77 | H Carter L Stefani | 65 | 6 | [10] | |||||||||||||||||||||
A Blinkova  E Rybakina | 4 | 65 | H Carter L Stefani | 77 | 6 | ||||||||||||||||||||||
 L Kichenok N Kichenok | 4 | 5 | Alt | C Gauff C McHale | 65 | 3 | |||||||||||||||||||||
| Alt | C Gauff C McHale | 6 | 7 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | S Kenin B Mattek-Sands | 1 | 4 | ||||||||||||||||||||||||
| A-L Friedsam R Olaru | 6 | 6 | A-L Friedsam R Olaru | 6 | 6 | ||||||||||||||||||||||
| M Kato S Santamaria | 6 | 3 | [10] | M Kato S Santamaria | 4 | 3 | |||||||||||||||||||||
| M Doi R Voráčová | 4 | 6 | [6] | A-L Friedsam R Olaru | 5 | 77 | [10] | ||||||||||||||||||||
| Alt |  M Linette B Pera | 6 | 6 | Alt | M Linette B Pera | 7 | 64 | [8] | |||||||||||||||||||
 A Guarachi D Krawczyk | 2 | 4 | Alt | M Linette B Pera | 6 | 6 | |||||||||||||||||||||
| 4 | N Melichar D Schuurs | 2 | 2 | ||||||||||||||||||||||||
| A-L Friedsam R Olaru | 3 | 6 | [10] | ||||||||||||||||||||||||
| 7 | S Aoyama E Shibahara | 6 | 6 | 7 | S Aoyama E Shibahara | 6 | 2 | [4] | |||||||||||||||||||
| K Bertens A Rus | 3 | 4 | 7 | S Aoyama E Shibahara | 6 | 6 | |||||||||||||||||||||
| S Halep M Niculescu | 6 | 6 | S Halep M Niculescu | 1 | 3 | ||||||||||||||||||||||
| E Svitolina D Yastremska | 0 | 1 | 7 | S Aoyama E Shibahara | 6 | 6 | |||||||||||||||||||||
| A Muhammad Ar Rodionova | 6 | 6 | A Muhammad Ar Rodionova | 0 | 3 | ||||||||||||||||||||||
| PR | S Fichman V Zvonareva | 4 | 4 | A Muhammad Ar Rodionova | 6 | 2 | [10] | ||||||||||||||||||||
| 2 | T Babos S Zhang | 4 | 6 | [5] | |||||||||||||||||||||||
Serena and Venus Williams were the defending champions, but could not defend after Venus withdrew with a back injury before the start of competition.
Sara Errani and Roberta Vinci were the defending champions, but lost to Serena and Venus Williams in the quarterfinals.
Andrea Hlaváčková and Lucie Hradecká won the title, defeating Ashleigh Barty and Casey Dellacqua in the final, 6–7(4–7), 6–1, 6–4.
Madison Keys was the defending champion, but withdrew with a wrist injury before the tournament began.
Chan Yung-jan and Martina Hingis defeated Lucie Hradecká and Kateřina Siniaková in the final, 6–3, 6–2 to win the women's doubles tennis title at the 2017 US Open. It was their first Grand Slam title together, and their seventh title overall, all in 2017.
Sania Mirza and Barbora Strýcová were the defending champions, but chose not to participate together. Mirza played alongside Peng Shuai, but lost in the semifinals to Hsieh Su-wei and Monica Niculescu. Strýcová teamed up with Lucie Šafářová, but lost in the semifinals to Chan Yung-jan and Martina Hingis.
Tímea Babos and Kristina Mladenovic won the women's doubles tennis title at the 2018 Australian Open, defeating Ekaterina Makarova and Elena Vesnina in the final, 6–4, 6–3. It was the first Grand Slam title for Babos, who became the first Hungarian player to win a Grand Slam event since Andrea Temesvári in the 1986 French Open and the second Grand Slam title for Mladenovic.
Ashleigh Barty and CoCo Vandeweghe were the defending champions, but Vandeweghe could not participate due to injury. Barty played alongside Victoria Azarenka, but lost in the semifinals to Elise Mertens and Aryna Sabalenka.
Ekaterina Makarova and Elena Vesnina were the defending champions, but chose not to participate this year.
Ashleigh Barty and Demi Schuurs were the defending champions, but chose not to participate together. Barty played alongside Victoria Azarenka and successfully defended the title, defeating Schuurs and Anna-Lena Grönefeld in the final, 4–6, 6–0, [10–3].
Tímea Babos and Kristina Mladenovic defeated Duan Yingying and Zheng Saisai in the final, 6–2, 6–3 to win the women's doubles tennis title at the 2019 French Open.
Hsieh Su-wei and Barbora Strýcová defeated Gabriela Dabrowski and Xu Yifan in the final, 6−2, 6−4 to win the ladies' doubles tennis title at the 2019 Wimbledon Championships. With the win, Strýcová attained the WTA no. 1 doubles ranking for the first time – Kristina Mladenovic, Elise Mertens and Ashleigh Barty were also in contention for the top ranking. Hsieh and Strýcová won the title without losing a set during the tournament.
Ashleigh Barty and Demi Schuurs are the defending champions but they chose not to participate together. Barty played alongside Victoria Azarenka, but lost in the semifinals to Barbora Krejčíková and Kateřina Siniaková.
Elise Mertens and Aryna Sabalenka defeated Ashleigh Barty and Victoria Azarenka in the final, 7–5, 7–5, to win the women's doubles tennis title at the 2019 US Open.
Nicole Melichar and Květa Peschke were the defending champions but chose to compete with different partners. Melichar partnered Xu Yifan, but lost in the quarterfinals to Ashleigh Barty and Kiki Bertens. Peschke partnered Demi Schuurs, but lost in the first round to Darija Jurak and Alicja Rosolska.
Hsieh Su-wei and Barbora Strýcová were the defending champions and successfully defended their title, defeating Barbora Krejčíková and Zheng Saisai in the final, 7–5, 3–6, [10–5].
Chan Hao-ching and Latisha Chan were the defending champions, but the team withdrew before their second round match.
Aryna Sabalenka defeated Ashleigh Barty in the final, 6–0, 3–6, 6–4, to win the women's singles tennis title at the 2021 Madrid Open. It was Sabalenka's 10th career WTA Tour singles title and her first title on clay.
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 second-seeded duo's first victory in Madrid and their seventh career WTA Tour doubles title together, as well as Krejčíková's eighth individual doubles title and Siniaková's 10th. Dabrowski and Schuurs were competing as a first-time pairing and bidding to win their first title at the tournament; Dabrowski was also aiming for her 10th doubles title and Schuurs, her 15th.
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.
Ashleigh Barty defeated Jil Teichmann in the final, 6–3, 6–1, to win the women's singles title at the 2021 Cincinnati Masters and her first title at the tournament. Barty won the title without dropping a set. It was her fifth and last title of the season, her third WTA 1000 title, and her 13th career singles title overall on the WTA Tour.
| Grand Slam events | |
|---|---|
| WTA Premier Mandatory tournaments | |
| WTA Premier 5 tournaments | |
| WTA Premier tournaments | |
| WTA International tournaments | |
| Team events | |
 –Tournaments affected by the COVID-19 pandemic * – Tournaments were introduced due to cancellations caused by the COVID-19 pandemic | |