| Australia (1) |
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| Perez, Ellen |
| | Bielorussia (1) |
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| Azarenka, Victoria |
| | Canada (2) |
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| Dabrowski, Gabriela | | Fernandez, Leylah |
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| Krejcikova, Barbora | | Siniakova, Katerina | | Strycova, Barbora |
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| Kerber, Angelique |
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| Watson, Heather |
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| Stati Uniti (6) |
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| Brady, Jennifer | | Davis, Lauren | | Li, Ann | | Mattek-Sands, Bethanie | | McHale, Christina | | Stephens, Sloane |
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