| Women's doubles | |
|---|---|
| 2018 Pingshan Open | |
| Champions |  Anna Kalinskaya  Viktória Kužmová |
| Runners-up |  Danka Kovinić  Wang Xinyu |
| Final score | 6–4, 1–6, [10–7] |
Lyudmyla and Nadiia Kichenok were the defending champions, but they chose to compete at the 2018 BNP Paribas Open instead.
Anna Kalinskaya and Viktória Kužmová won the title after defeating Danka Kovinić and Wang Xinyu 6–4, 1–6, [10–7] in the final.
Priscilla Hon / 
Dalila Jakupović (semifinals) Jiang Xinyu / Tang Qianhui (quarterfinals) Lu Jingjing / 
Prarthana Thombare (first round)
Alexandra Cadanțu / Chantal Škamlová (first round)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | P Hon D Jakupović | 6 | 6 | ||||||||||||||||||||||||
| WC | Y Liu Y Yuan | 3 | 1 | 1 | P Hon D Jakupović | 6 | 4 | [10] | |||||||||||||||||||
 S-y Hsieh Q Ye | 6 | 77 | S-y Hsieh Q Ye | 4 | 6 | [2] | |||||||||||||||||||||
| X Gao F Xun | 3 | 65 | 1 | P Hon D Jakupović | 3 | 4 | |||||||||||||||||||||
| 4 | A Cadanțu C Škamlová | 7 | 3 | [5] | A Kalinskaya V Kužmová | 6 | 6 | ||||||||||||||||||||
| A Kalinskaya V Kužmová | 5 | 6 | [10] | A Kalinskaya V Kužmová | 6 | 6 | |||||||||||||||||||||
 V Grammatikopoulou P Monova | 2 | 3 | L Cabrera  L Kumkhum | 4 | 3 | ||||||||||||||||||||||
| L Cabrera L Kumkhum | 6 | 6 | A Kalinskaya V Kužmová | 6 | 1 | [10] | |||||||||||||||||||||
| WC | M Wang J Zang | 6 | 6 | D Kovinić Xin Wang | 4 | 6 | [7] | ||||||||||||||||||||
| Jiax Lu W Zheng | 1 | 3 | WC | M Wang J Zang | 1 | 61 | |||||||||||||||||||||
 B Gumulya X You | 7 | 6 | B Gumulya X You | 6 | 77 | ||||||||||||||||||||||
| 3 | Jin Lu P Thombare | 5 | 4 | B Gumulya X You | 77 | 4 | [5] | ||||||||||||||||||||
| D Kovinić Xin Wang | 2 | 6 | [10] | D Kovinić Xin Wang | 65 | 6 | [10] | ||||||||||||||||||||
| H Guo X Sun | 6 | 2 | [7] | D Kovinić Xin Wang | 78 | 6 | |||||||||||||||||||||
 A Zaja  K Zimmermann | 6 | 4 | [8] | 2 | X Jiang Q Tang | 66 | 2 | ||||||||||||||||||||
| 2 | X Jiang Q Tang | 3 | 6 | [10] | |||||||||||||||||||||||
Duan Yingying was the defending champion, but lost in the first round to Arina Rodionova.
Liang Chen and Lu Jingjing were the defending champions, but chose not to compete together. Lu played alongside You Xiaodi, but lost in the quarterfinals to Liang and Ye Qiuyu. Liang and Ye then lost in the semifinals to Jiang Xinyu and Tang Qianhui.
Lesia Tsurenko was the defending champion, but lost in the first round to Aleksandra Krunić.
Peng Shuai was the defending champion, but lost in the semifinals to Maria Sharapova.
Liang En-shuo and Wang Xinyu won the girls' doubles tennis title at the 2018 Australian Open, defeating Violet Apisah and Lulu Sun in the final, 7–6(7–4), 4–6, [10–5].
Olga Danilović and Kaja Juvan were the defending champions, but both players chose not to participate.
Jiang Xinyu and Tang Qianhui were the defending champions and successfully defended their title, defeating Lu Jingjing and You Xiaodi in the final, 6–4, 6–4.
Natsumi Kawaguchi and Adrienn Nagy won the girls' doubles tennis title at the 2019 Australian Open, defeating Chloe Beck and Emma Navarro in the final, 6–4, 6–4.
Wang Xinyu and Wang Xiyu were the defending champions, but chose not to participate.
Jiang Xinyu and Tang Qianhui were the two-time defending champions, but lost in the semifinals to Peng Shuai and Zhang Shuai.
Caroline Garcia was the defending champion, but lost in the second round to Wang Yafan.
Lyudmyla and Nadiia Kichenok were the defending champions, but Nadiia Kichenok chose not to participate.
Peng Shuai and Yang Zhaoxuan were the defending champions, but Yang chose to compete in Brisbane instead. Peng partnered Zhang Shuai, but lost in the first round to Jiang Xinyu and Tang Qianhui.
Daria Kasatkina won the women's singles title at the 2021 St. Petersburg Ladies' Trophy, after Margarita Gasparyan retired from the final with the scoreline at 6–3, 2–1.
Madison Keys was the defending champion but lost to compatriot Sloane Stephens in the second round, in a rematch of the previous tournament's quarterfinal.
This was the first edition of the women's event.
This was the first edition of the tournament.
This was the first edition of the tournament.
Aryna Sabalenka was the defending champion, but she qualified to compete at the WTA Finals instead.
Amanda Anisimova won her first title since 2019, defeating Aliaksandra Sasnovich in the final, 7–5, 1–6, 6–4.