| Australia (4) |
|---|
| Barty, Ashleigh | | Gavrilova, Daria | | Kasatkina, Daria | | Stosur, Samantha |
| | | Chiny (5) |
|---|
| Duan, Ying-Ying | | Peng, Shuai | | Wang, Qiang | | Wang, Yafan | | Zhang, Shuai |
| | Chorwacja (1) |
|---|
| Vekic, Donna |
|
| Republika Czeska (4) |
|---|
| Kvitova, Petra | | Pliskova, Karolina | | Siniakova, Katerina | | Strycova, Barbora |
| | Dania (1) |
|---|
| Wozniacki, Caroline |
| | Estonia (1) |
|---|
| Kontaveit, Anett |
| | Francja (3) |
|---|
| Cornet, Alizé | | Garcia, Caroline | | Mladenovic, Kristina |
|
| Niemcy (4) |
|---|
| Barthel, Mona | | Goerges, Julia | | Kerber, Angelique | | Petkovic, Andrea |
| | | |
| Kazachstan (1) |
|---|
| Putintseva, Yulia |
| | Łotwa (2) |
|---|
| Ostapenko, Jelena | | Sevastova, Anastasija |
| | Holandia (1) |
|---|
| Bertens, Kiki |
| | Polska (2) |
|---|
| Linette, Magda | | Radwanska, Agnieszka |
|
| Puerto Rico (1) |
|---|
| Puig, Monica |
| | Rumunia (3) |
|---|
| Cirstea, Sorana | | Halep, Simona | | Niculescu, Monica |
| | Rosja (4) |
|---|
| Kuznetsova, Svetlana | | Makarova, Ekaterina | | Pavlyuchenkova, Anastasia | | Vesnina, Elena |
| | Słowacja (2) |
|---|
| Cibulkova, Dominika | | Rybarikova, Magdalena |
|
| Hiszpania (2) |
|---|
| Muguruza, Garbiñe | | Suárez Navarro, Carla |
| | Switzerland (1) |
|---|
| Teichmann, Jil |
| | | Ukraina (1) |
|---|
| Tsurenko, Lesia |
|
| Zjednoczone Królestwo (1) |
|---|
| Konta, Johanna |
| | Stany Zjednoczone (7) |
|---|
| Bellis, CiCi | | Davis, Lauren | | Keys, Madison | | Lepchenko, Varvara | | McHale, Christina | | Riske, Alison | | Stephens, Sloane |
|