| Australia (5) |
|---|
| Barty, Ashleigh | | Gavrilova, Daria | | Kasatkina, Daria | | Stosur, Samantha | | Tomljanovic, Ajla |
| | Bielorussia (2) |
|---|
| Azarenka, Victoria | | Sabalenka, Aryna |
| | Belgio (1) |
|---|
| Uytvanck, Alison Van |
| | Cina (2) |
|---|
| Peng, Shuai | | Zhang, Shuai |
|
| Croazia (2) |
|---|
| Martic, Petra | | Vekic, Donna |
| | Repubblica Ceca (2) |
|---|
| Pliskova, Karolina | | Strycova, Barbora |
| | Danimarca (1) |
|---|
| Wozniacki, Caroline |
| | Estonia (2) |
|---|
| Kanepi, Kaia | | Kontaveit, Anett |
|
| Francia (2) |
|---|
| Garcia, Caroline | | Mladenovic, Kristina |
| | Germania (2) |
|---|
| Kerber, Angelique | | Siegemund, Laura |
| | |
| Italia (4) |
|---|
| Errani, Sara | | Rosatello, Camilla | | Schiavone, Francesca | | Vinci, Roberta |
| | | Kazakistan (1) |
|---|
| Diyas, Zarina |
| | Lettonia (2) |
|---|
| Ostapenko, Jelena | | Sevastova, Anastasija |
|
| | Romania (4) |
|---|
| Begu, Irina-Camelia | | Buzarnescu, Mihaela | | Cirstea, Sorana | | Halep, Simona |
| | Russia (5) |
|---|
| Kuznetsova, Svetlana | | Pavlyuchenkova, Anastasia | | Sharapova, Maria | | Vesnina, Elena | | Vikhlyantseva, Natalia |
| | Serbia (1) |
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| Krunic, Aleksandra |
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| Slovacchia (2) |
|---|
| Cibulkova, Dominika | | Rybarikova, Magdalena |
| | Slovenia (1) |
|---|
| Hercog, Polona |
| | Spagna (2) |
|---|
| Muguruza, Garbiñe | | Suárez Navarro, Carla |
| |
| Ucraina (2) |
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| Svitolina, Elina | | Tsurenko, Lesia |
| | Regno Unito (1) |
|---|
| Konta, Johanna |
| | Stati Uniti (5) |
|---|
| Collins, Danielle | | Keys, Madison | | Stephens, Sloane | | Vandeweghe, Coco | | Williams, Venus |
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