| Austrália (5) |
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| Barty, Ashleigh | | Gavrilova, Daria | | Kasatkina, Daria | | Stosur, Samantha | | Tomljanovic, Ajla |
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| Azarenka, Victoria | | Sabalenka, Aryna | | Sasnovich, Aliaksandra |
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| Flipkens, Kirsten | | Mertens, Elise | | Uytvanck, Alison Van |
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| Haddad Maia, Beatriz |
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| Čína (3) |
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| Wang, Qiang | | Wang, Yafan | | Zhang, Shuai |
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| Martic, Petra | | Vekic, Donna |
| | Česká republika (6) |
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| Kvitova, Petra | | Pliskova, Karolina | | Pliskova, Kristyna | | Siniakova, Katerina | | Strycova, Barbora | | Vondrousova, Marketa |
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| Wozniacki, Caroline |
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| Cornet, Alizé | | Dodin, Oceane | | Garcia, Caroline | | Mladenovic, Kristina |
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| Barthel, Mona | | Goerges, Julia | | Kerber, Angelique | | Maria, Tatjana | | Petkovic, Andrea | | Witthoeft, Carina |
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| Giorgi, Camila |
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| Bertens, Kiki |
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| Puig, Monica |
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| Begu, Irina-Camelia | | Buzarnescu, Mihaela | | Cirstea, Sorana | | Halep, Simona | | Niculescu, Monica |
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| Kuznetsova, Svetlana | | Makarova, Ekaterina | | Pavlyuchenkova, Anastasia | | Vesnina, Elena | | Vikhlyantseva, Natalia |
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| Krunic, Aleksandra |
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| Bacsinszky, Timea | | Bencic, Belinda | | Golubic, Viktorija | | Voegele, Stefanie |
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| Boulter, Katie | | Konta, Johanna | | Watson, Heather |
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| USA (19) |
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| Anisimova, Amanda | | Bellis, CiCi | | Brady, Jennifer | | Brengle, Madison | | Collins, Danielle | | Davis, Lauren | | Kenin, Sofia | | Keys, Madison | | Lepchenko, Varvara | | Liu, Claire | | Mattek-Sands, Bethanie | | McHale, Christina | | Osuigwe, Whitney | | Pera, Bernarda | | Riske, Alison | | Stephens, Sloane | | Vandeweghe, Coco | | Williams, Serena | | Williams, Venus |
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