| Austrália (8) |
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| Aiava, Destanee | | Barty, Ashleigh | | Cabrera, Lizette | | Fourlis, Jaimee | | Gavrilova, Daria | | Rogowska, Olivia | | Stosur, Samantha | | Tomljanovic, Ajla |
| | Bielorrússia (2) |
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| Sabalenka, Aryna | | Sasnovich, Aliaksandra |
| | Bélgica (3) |
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| Flipkens, Kirsten | | Mertens, Elise | | Uytvanck, Alison Van |
| | Brasil (1) |
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| Haddad Maia, Beatriz |
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| Bulgária (1) |
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| Tomova, Viktoriya |
| | Canadá (1) |
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| Bouchard, Eugenie |
| | China (6) |
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| Duan, Ying-Ying | | Peng, Shuai | | Wang, Qiang | | Wang, Xinyu | | Zhang, Shuai | | Zhu, Lin |
| | Colômbia (1) |
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| Duque-Mariño, Mariana |
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| Croácia (4) |
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| Fett, Jana | | Lucic-Baroni, Mirjana | | Martic, Petra | | Vekic, Donna |
| | República Checa (8) |
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| Allertova, Denisa | | Kvitova, Petra | | Pliskova, Karolina | | Pliskova, Kristyna | | Safarova, Lucie | | Siniakova, Katerina | | Strycova, Barbora | | Vondrousova, Marketa |
| | Dinamarca (1) |
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| Wozniacki, Caroline |
| | Estónia (2) |
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| Kanepi, Kaia | | Kontaveit, Anett |
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| França (6) |
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| Cornet, Alizé | | Dodin, Oceane | | Garcia, Caroline | | Mladenovic, Kristina | | Parmentier, Pauline | | Ponchet, Jessika |
| | Alemanha (7) |
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| Barthel, Mona | | Friedsam, Anna-Lena | | Goerges, Julia | | Kerber, Angelique | | Maria, Tatjana | | Petkovic, Andrea | | Witthoeft, Carina |
| | |
| Itália (2) |
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| Giorgi, Camila | | Schiavone, Francesca |
| | Japão (4) |
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| Eguchi, Misa | | Hibino, Nao | | Nara, Kurumi | | Osaka, Naomi |
| | Cazaquistão (2) |
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| Diyas, Zarina | | Putintseva, Yulia |
| | Letónia (2) |
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| Ostapenko, Jelena | | Sevastova, Anastasija |
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| Holanda (2) |
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| Bertens, Kiki | | Hogenkamp, Richel |
| | Paraguai (1) |
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| Cepede Royg, Veronica |
| | Polónia (3) |
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| Frech, Magdalena | | Linette, Magda | | Radwanska, Agnieszka |
| | Porto Rico (1) |
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| Puig, Monica |
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| Roménia (6) |
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| Begu, Irina-Camelia | | Bogdan, Ana | | Buzarnescu, Mihaela | | Cirstea, Sorana | | Halep, Simona | | Niculescu, Monica |
| | Rússia (10) |
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| Alexandrova, Ekaterina | | Blinkova, Anna | | Gasparyan, Margarita | | Kalinskaya, Anna | | Kasatkina, Daria | | Makarova, Ekaterina | | Pavlyuchenkova, Anastasia | | Sharapova, Maria | | Vesnina, Elena | | Vikhlyantseva, Natalia |
| | Sérvia (2) |
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| Jorovic, Ivana | | Krunic, Aleksandra |
| | Eslováquia (6) |
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| Cepelova, Jana | | Cibulkova, Dominika | | Kucova, Kristina | | Kuzmova, Viktoria | | Rybarikova, Magdalena | | Schmiedlova, Anna Karolina |
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| Eslovénia (1) |
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| Hercog, Polona |
| | Espanha (3) |
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| Arruabarrena, Lara | | Muguruza, Garbiñe | | Suárez Navarro, Carla |
| | Suécia (1) |
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| Larsson, Johanna |
| | Suíça (2) |
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| Bencic, Belinda | | Golubic, Viktorija |
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| | Tailândia (1) |
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| Kumkhum, Luksika |
| | | Ucrânia (5) |
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| Bondarenko, Kateryna | | Kostyuk, Marta | | Kozlova, Kateryna | | Svitolina, Elina | | Tsurenko, Lesia |
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| Reino Unido (2) |
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| Konta, Johanna | | Watson, Heather |
| | Estados Unidos (18) |
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| Ahn, Kristie | | Bellis, CiCi | | Brady, Jennifer | | Brengle, Madison | | Davis, Lauren | | Falconi, Irina | | Gibbs, Nicole | | Kenin, Sofia | | Keys, Madison | | Lepchenko, Varvara | | McHale, Christina | | Pera, Bernarda | | Riske, Alison | | Rogers, Shelby | | Stephens, Sloane | | Townsend, Taylor | | Vandeweghe, Coco | | Williams, Venus |
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