| Australia (2) |
|---|
| Barty, Ashleigh | | Gavrilova, Daria |
| | China (2) |
|---|
| Duan, Ying-Ying | | Zhang, Shuai |
| | | Czech Republic (6) |
|---|
| Kvitova, Petra | | Safarova, Lucie | | Siniakova, Katerina | | Smitkova, Tereza | | Strycova, Barbora | | Vondrousova, Marketa |
|
| France (2) |
|---|
| Cornet, Alizé | | Mladenovic, Kristina |
| | | Japan (2) |
|---|
| Hibino, Nao | | Osaka, Naomi |
| | Kazakhstan (1) |
|---|
| Putintseva, Yulia |
|
| | Russia (2) |
|---|
| Kulichkova, Elizaveta | | Vikhlyantseva, Natalia |
| | Slovakia (1) |
|---|
| Cibulkova, Dominika |
| | Spain (1) |
|---|
| Muguruza, Garbiñe |
|
| | Ukraine (2) |
|---|
| Svitolina, Elina | | Tsurenko, Lesia |
| | United Kingdom (3) |
|---|
| Broady, Naomi | | Konta, Johanna | | Watson, Heather |
| | United States (4) |
|---|
| Davis, Lauren | | McHale, Christina | | Riske, Alison | | Vandeweghe, Coco |
|