| Argentina (1) |
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| Podoroska, Nadia |
| | Australia (2) |
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| Barty, Ashleigh | | Stosur, Samantha |
| | Bielorussia (3) |
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| Azarenka, Victoria | | Sabalenka, Aryna | | Sasnovich, Aliaksandra |
| |
| Canada (2) |
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| Andreescu, Bianca | | Fernandez, Leylah |
| | | | Repubblica Ceca (5) |
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| Krejcikova, Barbora | | Kvitova, Petra | | Muchova, Karolina | | Pliskova, Karolina | | Vondrousova, Marketa |
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| Estonia (1) |
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| Kontaveit, Anett |
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| Garcia, Caroline |
| | Germania (1) |
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| Kerber, Angelique |
| |
| Italia (2) |
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| Giorgi, Camila | | Paolini, Jasmine |
| | | Kazakistan (2) |
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| Putintseva, Yulia | | Rybakina, Elena |
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| Ostapenko, Jelena |
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| Polonia (2) |
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| Linette, Magda | | Swiatek, Iga |
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| Cirstea, Sorana | | Halep, Simona |
| | Russia (5) |
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| Alexandrova, Ekaterina | | Kasatkina, Daria | | Kudermetova, Veronika | | Pavlyuchenkova, Anastasia | | Samsonova, Liudmila |
| | Slovenia (1) |
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| Zidansek, Tamara |
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| Spagna (2) |
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| Badosa Gibert, Paula | | Muguruza, Garbiñe |
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| Peterson, Rebecca |
| | Svizzera (2) |
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| Bencic, Belinda | | Teichmann, Jil |
| |
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| Svitolina, Elina | | Yastremska, Dayana |
| | Regno Unito (2) |
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| Konta, Johanna | | Watson, Heather |
| | Stati Uniti (10) |
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| Brady, Jennifer | | Collins, Danielle | | Gauff, Coco | | Keys, Madison | | McNally, Caty | | Pegula, Jessica | | Pera, Bernarda | | Riske, Alison | | Rogers, Shelby | | Stephens, Sloane |
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