| Australia (3) |
|---|
| Barty, Ashleigh | | Gavrilova, Daria | | Kasatkina, Daria |
| | Belarús (2) |
|---|
| Azarenka, Victoria | | Sabalenka, Aryna |
| | Bélgica (3) |
|---|
| Flipkens, Kirsten | | Mertens, Elise | | Uytvanck, Alison Van |
| | Bulgaria (1) |
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| Karatantcheva, Sesil |
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| Canadá (3) |
|---|
| Abanda, Francoise | | Bouchard, Eugenie | | Zhao, Carol |
| | China (2) |
|---|
| Wang, Qiang | | Zhang, Shuai |
| | República Checa (6) |
|---|
| Krejcikova, Barbora | | Kvitova, Petra | | Pliskova, Karolina | | Safarova, Lucie | | Siniakova, Katerina | | Strycova, Barbora |
| | Dinamarca (1) |
|---|
| Wozniacki, Caroline |
|
| Estonia (1) |
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| Kontaveit, Anett |
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| Cornet, Alizé | | Garcia, Caroline | | Mladenovic, Kristina |
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| Goerges, Julia | | Kerber, Angelique | | Maria, Tatjana |
| |
| | | Letonia (2) |
|---|
| Ostapenko, Jelena | | Sevastova, Anastasija |
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| Bertens, Kiki |
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| Puig, Monica |
| | Rumania (6) |
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| Begu, Irina-Camelia | | Bogdan, Ana | | Buzarnescu, Mihaela | | Cirstea, Sorana | | Halep, Simona | | Niculescu, Monica |
| | Rusia (4) |
|---|
| Makarova, Ekaterina | | Pavlyuchenkova, Anastasia | | Sharapova, Maria | | Zhuk, Sofya |
| | Serbia (1) |
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| Krunic, Aleksandra |
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| Boulter, Katie | | Konta, Johanna |
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| Estados Unidos (4) |
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| Dolehide, Caroline | | McHale, Christina | | Stephens, Sloane | | Williams, Venus |
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