| Australia (3) |
|---|
| Barty, Ashleigh | | Gavrilova, Daria | | Stosur, Samantha |
| | Bielorussia (3) |
|---|
| Azarenka, Victoria | | Sabalenka, Aryna | | Sasnovich, Aliaksandra |
| | Belgio (2) |
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| Mertens, Elise | | Uytvanck, Alison Van |
| | Cina (3) |
|---|
| Peng, Shuai | | Wang, Qiang | | Zhang, Shuai |
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| Croazia (2) |
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| Martic, Petra | | Vekic, Donna |
| | Repubblica Ceca (5) |
|---|
| Kvitova, Petra | | Pliskova, Karolina | | Pliskova, Kristyna | | Siniakova, Katerina | | Strycova, Barbora |
| | Danimarca (1) |
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| Wozniacki, Caroline |
| | Estonia (1) |
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| Kontaveit, Anett |
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| Francia (3) |
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| Cornet, Alizé | | Garcia, Caroline | | Mladenovic, Kristina |
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| Goerges, Julia |
| | |
| | | Kazakistan (1) |
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| Diyas, Zarina |
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| Ostapenko, Jelena | | Sevastova, Anastasija |
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| Puig, Monica |
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|---|
| Begu, Irina-Camelia | | Buzarnescu, Mihaela | | Cirstea, Sorana | | Halep, Simona |
| | Russia (7) |
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| Kasatkina, Daria | | Kuznetsova, Svetlana | | Makarova, Ekaterina | | Pavlyuchenkova, Anastasia | | Sharapova, Maria | | Vesnina, Elena | | Vikhlyantseva, Natalia |
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| Serbia (1) |
|---|
| Krunic, Aleksandra |
| | Slovacchia (3) |
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| Cibulkova, Dominika | | Rybarikova, Magdalena | | Schmiedlova, Anna Karolina |
| | Spagna (6) |
|---|
| Arruabarrena, Lara | | Garcia Perez, Georgina | | Muguruza, Garbiñe | | Soler-Espinosa, Sílvia | | Sorribes Tormo, Sara | | Suárez Navarro, Carla |
| | Ucraina (3) |
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| Kostyuk, Marta | | Svitolina, Elina | | Tsurenko, Lesia |
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| Regno Unito (1) |
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| Konta, Johanna |
| | Stati Uniti (6) |
|---|
| Collins, Danielle | | Keys, Madison | | Pera, Bernarda | | Stephens, Sloane | | Vandeweghe, Coco | | Williams, Venus |
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