| Australien (3) |
|---|
| Barty, Ashleigh | | Gavrilova, Daria | | Stosur, Samantha |
| | Belgien (1) |
|---|
| Mertens, Elise |
| | China (5) |
|---|
| Duan, Ying-Ying | | Peng, Shuai | | Wang, Qiang | | Wang, Yafan | | Zhang, Shuai |
| |
| Tschechien (4) |
|---|
| Kvitova, Petra | | Pliskova, Karolina | | Siniakova, Katerina | | Strycova, Barbora |
| | Dänemark (1) |
|---|
| Wozniacki, Caroline |
| | Estland (1) |
|---|
| Kontaveit, Anett |
| | Frankreich (3) |
|---|
| Cornet, Alizé | | Garcia, Caroline | | Mladenovic, Kristina |
|
| Deutschland (4) |
|---|
| Barthel, Mona | | Goerges, Julia | | Kerber, Angelique | | Petkovic, Andrea |
| | Griechenland (1) |
|---|
| Sakkari, Maria |
| | Italien (1) |
|---|
| Vinci, Roberta |
| |
| Kasachstan (1) |
|---|
| Putintseva, Yulia |
| | Lettland (2) |
|---|
| Ostapenko, Jelena | | Sevastova, Anastasija |
| | Die Niederlande (1) |
|---|
| Bertens, Kiki |
| | Polen (2) |
|---|
| Linette, Magda | | Radwanska, Agnieszka |
|
| Puerto Rico (1) |
|---|
| Puig, Monica |
| | Rumänien (3) |
|---|
| Cirstea, Sorana | | Halep, Simona | | Niculescu, Monica |
| | Russland (5) |
|---|
| Kasatkina, Daria | | Kuznetsova, Svetlana | | Makarova, Ekaterina | | Pavlyuchenkova, Anastasia | | Vesnina, Elena |
| | Slowakei (2) |
|---|
| Cibulkova, Dominika | | Rybarikova, Magdalena |
|
| Spanien (2) |
|---|
| Muguruza, Garbiñe | | Suárez Navarro, Carla |
| | Schweiz (1) |
|---|
| Teichmann, Jil |
| | | Ukraine (1) |
|---|
| Tsurenko, Lesia |
|
| Groß Britannien (1) |
|---|
| Konta, Johanna |
| | Vereinigte Staaten (7) |
|---|
| Bellis, CiCi | | Davis, Lauren | | Keys, Madison | | Lepchenko, Varvara | | McHale, Christina | | Riske, Alison | | Stephens, Sloane |
|