| Australia (1) |
|---|
| Tomljanovic, Ajla |
| | Bielorussia (3) |
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| Azarenka, Victoria | | Govortsova, Olga | | Sabalenka, Aryna |
| | Canada (1) |
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| Fernandez, Leylah |
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| Bouzkova, Marie |
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| Putintseva, Yulia |
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| Linette, Magda |
| | Russia (3) |
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| Blinkova, Anna | | Kalinskaya, Anna | | Zvonareva, Vera |
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| Svizzera (1) |
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| Teichmann, Jil |
| | | Regno Unito (2) |
|---|
| Konta, Johanna | | Watson, Heather |
| | Stati Uniti (17) |
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| Ahn, Kristie | | Anisimova, Amanda | | Bellis, CiCi | | Brady, Jennifer | | Brengle, Madison | | Davis, Lauren | | Di Lorenzo, Francesca | | Dolehide, Caroline | | Gauff, Coco | | Mattek-Sands, Bethanie | | McNally, Caty | | Pegula, Jessica | | Pera, Bernarda | | Rogers, Shelby | | Stephens, Sloane | | Williams, Serena | | Williams, Venus |
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