| Australia (1) |
|---|
| Tomljanovic, Ajla |
| | Belarús (2) |
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| Azarenka, Victoria | | Lapko, Vera |
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| Mertens, Elise |
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| Wang, Qiang | | Zhang, Shuai |
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| Mladenovic, Kristina |
| | | | Paraguay (1) |
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| Cepede Royg, Veronica |
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| Frech, Magdalena |
| | Rumania (1) |
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| Buzarnescu, Mihaela |
| | | España (2) |
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| Garcia Perez, Georgina | | Muguruza, Garbiñe |
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| Ucrania (1) |
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| Bondarenko, Kateryna |
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| Konta, Johanna | | Watson, Heather |
| | Estados Unidos (12) |
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| Anisimova, Amanda | | Collins, Danielle | | Kenin, Sofia | | Keys, Madison | | Kratzer, Ashley | | Lao, Danielle | | Liu, Claire | | McHale, Christina | | Riske, Alison | | Vickery, Sachia | | Williams, Serena | | Williams, Venus |
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