| Andorra (1) |
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| Jimenez Kasintseva, Victoria |
| | Australia (2) |
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| Barty, Ashleigh | | Tomljanovic, Ajla |
| | Bielorussia (2) |
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| Azarenka, Victoria | | Sabalenka, Aryna |
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| Cina (3) |
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| Wang, Qiang | | Zhang, Shuai | | Zheng, Saisai |
| | | Repubblica Ceca (6) |
|---|
| Bouzkova, Marie | | Krejcikova, Barbora | | Kvitova, Petra | | Muchova, Karolina | | Pliskova, Karolina | | Vondrousova, Marketa |
| | Estonia (1) |
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| Kontaveit, Anett |
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| Francia (1) |
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| Mladenovic, Kristina |
| | Germania (2) |
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| Kerber, Angelique | | Siegemund, Laura |
| | | Giappone (2) |
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| Doi, Misaki | | Osaka, Naomi |
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| Kazakistan (3) |
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| Putintseva, Yulia | | Rybakina, Elena | | Shvedova, Yaroslava |
| | Lettonia (2) |
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| Ostapenko, Jelena | | Sevastova, Anastasija |
| | Montenegro (1) |
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| Kovinic, Danka |
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| Polonia (2) |
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| Linette, Magda | | Swiatek, Iga |
| | Romania (4) |
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| Begu, Irina-Camelia | | Bogdan, Ana | | Cirstea, Sorana | | Halep, Simona |
| | Russia (7) |
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| Alexandrova, Ekaterina | | Kasatkina, Daria | | Kudermetova, Veronika | | Kuznetsova, Svetlana | | Pavlyuchenkova, Anastasia | | Vesnina, Elena | | Zvonareva, Vera |
| | Serbia (1) |
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| Stojanovic, Nina |
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| Slovenia (2) |
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| Hercog, Polona | | Zidansek, Tamara |
| | Spagna (3) |
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| Badosa Gibert, Paula | | Muguruza, Garbiñe | | Sorribes Tormo, Sara |
| | Svizzera (2) |
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| Bencic, Belinda | | Teichmann, Jil |
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| | Ucraina (2) |
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| Kozlova, Kateryna | | Svitolina, Elina |
| | Regno Unito (1) |
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| Konta, Johanna |
| | Stati Uniti (10) |
|---|
| Anisimova, Amanda | | Brady, Jennifer | | Gauff, Coco | | Keys, Madison | | Pegula, Jessica | | Pera, Bernarda | | Riske, Alison | | Rogers, Shelby | | Stephens, Sloane | | Williams, Venus |
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