| Australië (2) |
|---|
| Barty, Ashleigh | | Gavrilova, Daria |
| | China (2) |
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| Duan, Ying-Ying | | Zhang, Shuai |
| | | Tsjechië (6) |
|---|
| Kvitova, Petra | | Safarova, Lucie | | Siniakova, Katerina | | Smitkova, Tereza | | Strycova, Barbora | | Vondrousova, Marketa |
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| Frankrijk (2) |
|---|
| Cornet, Alizé | | Mladenovic, Kristina |
| | | Japan (2) |
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| Hibino, Nao | | Osaka, Naomi |
| | Kazachstan (1) |
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| Putintseva, Yulia |
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| | Rusland (2) |
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| Kulichkova, Elizaveta | | Vikhlyantseva, Natalia |
| | Slowakije (1) |
|---|
| Cibulkova, Dominika |
| | Spanje (1) |
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| Muguruza, Garbiñe |
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| | Oekraïne (2) |
|---|
| Svitolina, Elina | | Tsurenko, Lesia |
| | Verenigd Koninkrijk (3) |
|---|
| Broady, Naomi | | Konta, Johanna | | Watson, Heather |
| | Verenigde Staten (4) |
|---|
| Davis, Lauren | | McHale, Christina | | Riske, Alison | | Vandeweghe, Coco |
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