| Australia (1) |
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| Stosur, Samantha |
| | Belarus (1) |
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| Sabalenka, Aryna |
| | Belgium (1) |
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| Mertens, Elise |
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| Pironkova, Tsvetana |
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| China (6) |
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| Peng, Shuai | | Wang, Qiang | | Zhang, Kai-Lin | | Zhang, Shuai | | Zheng, Saisai | | Zhu, Lin |
| | | Czech Republic (4) |
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| Pliskova, Karolina | | Pliskova, Kristyna | | Siniakova, Katerina | | Strycova, Barbora |
| | Denmark (1) |
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| Wozniacki, Caroline |
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| Garcia, Caroline | | Mladenovic, Kristina |
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| | | Japan (2) |
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| Doi, Misaki | | Osaka, Naomi |
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| Larsson, Johanna |
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| Bondarenko, Kateryna | | Svitolina, Elina | | Tsurenko, Lesia |
| | United States (6) |
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| Bellis, Catherine | | Brengle, Madison | | Davis, Lauren | | McHale, Christina | | Riske, Alison | | Vandeweghe, Coco |
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