| Austrália (7) |
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| Barty, Ashleigh | | Cabrera, Lizette | | Hon, Priscilla | | Rodionova, Arina | | Sharma, Astra | | Stosur, Samantha | | Tomljanovic, Ajla |
| | Bielorrússia (2) |
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| Sabalenka, Aryna | | Sasnovich, Aliaksandra |
| | Bélgica (4) |
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| Flipkens, Kirsten | | Mertens, Elise | | Minnen, Greet | | Uytvanck, Alison Van |
| | Canadá (1) |
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| Fernandez, Leylah |
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| China (6) |
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| Peng, Shuai | | Wang, Qiang | | Wang, Yafan | | Zhang, Shuai | | Zheng, Saisai | | Zhu, Lin |
| | Croácia (2) |
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| Martic, Petra | | Vekic, Donna |
| | 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 |
| | Dinamarca (1) |
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| Wozniacki, Caroline |
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| Estónia (2) |
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| Kanepi, Kaia | | Kontaveit, Anett |
| | França (5) |
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| Cornet, Alizé | | Ferro, Fiona | | Garcia, Caroline | | Mladenovic, Kristina | | Parmentier, Pauline |
| | Alemanha (5) |
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| Goerges, Julia | | Kerber, Angelique | | Lottner, Antonia | | Maria, Tatjana | | Siegemund, Laura |
| |
| | Itália (4) |
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| Cocciaretto, Elisabetta | | Giorgi, Camila | | Paolini, Jasmine | | Trevisan, Martina |
| | Japão (3) |
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| Doi, Misaki | | Hibino, Nao | | Osaka, Naomi |
| | Cazaquistão (3) |
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| Diyas, Zarina | | Putintseva, Yulia | | Rybakina, Elena |
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| Letónia (2) |
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| Ostapenko, Jelena | | Sevastova, Anastasija |
| | Montenegro (1) |
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| Kovinic, Danka |
| | Holanda (2) |
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| Bertens, Kiki | | Rus, Arantxa |
| | Polónia (2) |
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| Linette, Magda | | Swiatek, Iga |
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| Roménia (4) |
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| Begu, Irina-Camelia | | Cirstea, Sorana | | Halep, Simona | | Niculescu, Monica |
| | Rússia (12) |
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| Alexandrova, Ekaterina | | Blinkova, Anna | | Diatchenko, Vitalia | | Gasparyan, Margarita | | Kalinskaya, Anna | | Kasatkina, Daria | | Kudermetova, Veronika | | Kuznetsova, Svetlana | | Pavlyuchenkova, Anastasia | | Potapova, Anastasia | | Samsonova, Liudmila | | Sharapova, Maria |
| | Sérvia (1) |
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| Stojanovic, Nina |
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| Kuzmova, Viktoria | | Schmiedlova, Anna Karolina |
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| Eslovénia (3) |
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| Hercog, Polona | | Juvan, Kaja | | Zidansek, Tamara |
| | Coreia do Sul (1) |
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| Han, Na-Lae |
| | Espanha (4) |
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| Badosa Gibert, Paula | | Muguruza, Garbiñe | | Sorribes Tormo, Sara | | Suárez Navarro, Carla |
| | Suécia (2) |
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| Larsson, Johanna | | Peterson, Rebecca |
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| Suíça (3) |
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| Bencic, Belinda | | Golubic, Viktorija | | Teichmann, Jil |
| | | | Ucrânia (5) |
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| Bondarenko, Kateryna | | Kozlova, Kateryna | | Svitolina, Elina | | Tsurenko, Lesia | | Yastremska, Dayana |
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| Reino Unido (4) |
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| Boulter, Katie | | Dart, Harriet | | Konta, Johanna | | Watson, Heather |
| | Estados Unidos (22) |
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| Ahn, Kristie | | Anisimova, Amanda | | Bellis, CiCi | | Brady, Jennifer | | Brengle, Madison | | Collins, Danielle | | Davis, Lauren | | Gauff, Coco | | Kenin, Sofia | | Keys, Madison | | Li, Ann | | McHale, Christina | | McNally, Caty | | Pegula, Jessica | | Pera, Bernarda | | Riske, Alison | | Rogers, Shelby | | Stephens, Sloane | | Townsend, Taylor | | Vandeweghe, Coco | | Williams, Serena | | Williams, Venus |
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