| Argentinië (1) |
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| Ormaechea, Paula |
| | Oostenrijk (1) |
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| Grabher, Julia |
| | Wit-Rusland (2) |
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| Azarenka, Victoria | | Sasnovich, Aliaksandra |
| | Canada (2) |
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| Fernandez, Leylah | | Sebov, Katherine |
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| China (2) |
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| Wang, Xiyu | | Zhang, Shuai |
| | Tsjechië (2) |
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| Bouzkova, Marie | | Fruhvirtova, Linda |
| | |
| Frankrijk (2) |
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| Cornet, Alizé | | Gracheva, Varvara |
| | Duitsland (3) |
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| Friedsam, Anna-Lena | | Lisicki, Sabine | | Niemeier, Jule |
| | Hongarije (2) |
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| Bondar, Anna | | Galfi, Dalma |
| | Kazachstan (1) |
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| Putintseva, Yulia |
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| | Roemenië (1) |
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| Begu, Irina-Camelia |
| | Rusland (7) |
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| Alexandrova, Ekaterina | | Blinkova, Anna | | Kalinskaya, Anna | | Kasatkina, Daria | | Kudermetova, Veronika | | Rodina, Evgeniya | | Shnaider, Diana |
| | Spanje (2) |
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| Badosa, Paula | | Bucsa, Cristina |
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| Zwitserland (2) |
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| Bencic, Belinda | | Teichmann, Jil |
| | | Oekraïne (3) |
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| Kalinina, Anhelina | | Svitolina, Elina | | Tsurenko, Lesia |
| | Verenigde Staten (19) |
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| Baptiste, Hailey | | Brengle, Madison | | Chirico, Louisa | | Collins, Danielle | | Crawley, Fiona | | Davis, Lauren | | Day, Kayla | | Dolehide, Caroline | | Kenin, Sofia | | Keys, Madison | | Liu, Claire | | McNally, Caty | | Navarro, Emma | | Parks, Alycia | | Pegula, Jessica | | Pera, Bernarda | | Rogers, Shelby | | Stephens, Sloane | | Vickery, Sachia |
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