| Argentina (1) |
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| Podoroska, Nadia |
| | Austrália (10) |
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| Aiava, Destanee | | Barty, Ashleigh | | Birrell, Kimberly | | Cabrera, Lizette | | Gavrilova, Daria | | Inglis, Maddison | | Rodionova, Arina | | Sharma, Astra | | Stosur, Samantha | | Tomljanovic, Ajla |
| | Bielorrússia (3) |
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| Azarenka, Victoria | | Sabalenka, Aryna | | Sasnovich, Aliaksandra |
| | Bélgica (5) |
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| Bonaventure, Ysaline | | Flipkens, Kirsten | | Mertens, Elise | | Minnen, Greet | | Uytvanck, Alison Van |
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| Bulgária (1) |
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| Pironkova, Tsvetana |
| | Canadá (3) |
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| Andreescu, Bianca | | Fernandez, Leylah | | Marino, Rebecca |
| | China (5) |
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| Wang, Qiang | | Wang, Yafan | | Zhang, Shuai | | Zheng, Saisai | | Zhu, Lin |
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| Martic, Petra | | Vekic, Donna |
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| República Checa (9) |
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| Bouzkova, Marie | | Krejcikova, Barbora | | Kvitova, Petra | | Muchova, Karolina | | Pliskova, Karolina | | Pliskova, Kristyna | | Siniakova, Katerina | | Strycova, Barbora | | Vondrousova, Marketa |
| | | Estónia (2) |
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| Kanepi, Kaia | | Kontaveit, Anett |
| | França (7) |
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| Burel, Clara | | Cornet, Alizé | | Ferro, Fiona | | Garcia, Caroline | | Gracheva, Varvara | | Mladenovic, Kristina | | Paquet, Chloe |
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| Alemanha (4) |
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| Barthel, Mona | | Kerber, Angelique | | Petkovic, Andrea | | Siegemund, Laura |
| | | | Itália (5) |
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| Cocciaretto, Elisabetta | | Errani, Sara | | Giorgi, Camila | | Paolini, Jasmine | | Trevisan, Martina |
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| Japão (4) |
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| Doi, Misaki | | Hibi, Mayo | | Hibino, Nao | | Osaka, Naomi |
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| Kovinic, Danka |
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| | | Roménia (6) |
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| Begu, Irina-Camelia | | Bogdan, Ana | | Buzarnescu, Mihaela | | Cirstea, Sorana | | Halep, Simona | | Tig, Patricia Maria |
| | Rússia (11) |
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| Alexandrova, Ekaterina | | Blinkova, Anna | | Gasparyan, Margarita | | Kasatkina, Daria | | Kudermetova, Veronika | | Kuznetsova, Svetlana | | Pavlyuchenkova, Anastasia | | Potapova, Anastasia | | Samsonova, Liudmila | | Savinykh, Valeria | | Zvonareva, Vera |
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| Sérvia (2) |
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| Danilovic, Olga | | Stojanovic, Nina |
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| Hercog, Polona | | Juvan, Kaja | | Zidansek, Tamara |
| | Espanha (4) |
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| Badosa Gibert, Paula | | Bolsova Zadoinov, Aliona | | Muguruza, Garbiñe | | Sorribes Tormo, Sara |
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| Suécia (1) |
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| Peterson, Rebecca |
| | Suíça (2) |
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| Bencic, Belinda | | Teichmann, Jil |
| | |
| Ucrânia (2) |
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| Boulter, Katie | | Jones, Francesca | | Konta, Johanna | | Watson, Heather |
| | Estados Unidos (16) |
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| Brady, Jennifer | | Brengle, Madison | | Collins, Danielle | | Davis, Lauren | | Gauff, Coco | | Kenin, Sofia | | Li, Ann | | McHale, Christina | | Osuigwe, Whitney | | Pegula, Jessica | | Pera, Bernarda | | Riske, Alison | | Rogers, Shelby | | Stephens, Sloane | | Williams, Serena | | Williams, Venus |
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