| Australien (2) |
|---|
| Barty, Ashleigh | | Gavrilova, Daria |
| | Belgien (1) |
|---|
| Flipkens, Kirsten |
| | Canada (3) |
|---|
| Abanda, Francoise | | Andreescu, Bianca | | Bouchard, Eugenie |
| |
| Colombia (1) |
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| Duque-Mariño, Mariana |
| | Kroatien (3) |
|---|
| Konjuh, Ana | | Lucic-Baroni, Mirjana | | Vekic, Donna |
| | Tjekkiet (5) |
|---|
| Kvitova, Petra | | Pliskova, Karolina | | Safarova, Lucie | | Siniakova, Katerina | | Strycova, Barbora |
| | Danmark (1) |
|---|
| Wozniacki, Caroline |
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| Frankrig (4) |
|---|
| Cornet, Alizé | | Dodin, Oceane | | Garcia, Caroline | | Mladenovic, Kristina |
| | Tyskland (2) |
|---|
| Goerges, Julia | | Kerber, Angelique |
| | | Italien (1) |
|---|
| Vinci, Roberta |
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| | Kasakhstan (1) |
|---|
| Putintseva, Yulia |
| | Letland (2) |
|---|
| Ostapenko, Jelena | | Sevastova, Anastasija |
| | Polen (1) |
|---|
| Radwanska, Agnieszka |
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| Rumænien (3) |
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| Begu, Irina-Camelia | | Cirstea, Sorana | | Halep, Simona |
| | Rusland (6) |
|---|
| Alexandrova, Ekaterina | | Kasatkina, Daria | | Kuznetsova, Svetlana | | Makarova, Ekaterina | | Pavlyuchenkova, Anastasia | | Vesnina, Elena |
| | Slovakiet (2) |
|---|
| Cibulkova, Dominika | | Rybarikova, Magdalena |
| | Spanien (3) |
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| Arruabarrena, Lara | | Muguruza, Garbiñe | | Suárez Navarro, Carla |
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| Ukraine (2) |
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| Svitolina, Elina | | Tsurenko, Lesia |
| | Storbritannien (2) |
|---|
| Konta, Johanna | | Watson, Heather |
| | USA (9) |
|---|
| Bellis, CiCi | | Davis, Lauren | | Keys, Madison | | Lepchenko, Varvara | | Riske, Alison | | Stephens, Sloane | | Vandeweghe, Coco | | Vickery, Sachia | | Williams, Venus |
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