| Australia (4) |
|---|
| Barty, Ashleigh | | Gavrilova, Daria | | Kasatkina, Daria | | Stosur, Samantha |
| | Belgium (1) |
|---|
| Mertens, Elise |
| | China (5) |
|---|
| Duan, Ying-Ying | | Peng, Shuai | | Wang, Qiang | | Wang, Yafan | | Zhang, Shuai |
| |
| Czech Republic (4) |
|---|
| Kvitova, Petra | | Pliskova, Karolina | | Siniakova, Katerina | | Strycova, Barbora |
| | Denmark (1) |
|---|
| Wozniacki, Caroline |
| | Estonia (1) |
|---|
| Kontaveit, Anett |
| | France (3) |
|---|
| Cornet, Alizé | | Garcia, Caroline | | Mladenovic, Kristina |
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| Germany (4) |
|---|
| Barthel, Mona | | Goerges, Julia | | Kerber, Angelique | | Petkovic, Andrea |
| | | |
| Kazakhstan (1) |
|---|
| Putintseva, Yulia |
| | Latvia (2) |
|---|
| Ostapenko, Jelena | | Sevastova, Anastasija |
| | Netherlands (1) |
|---|
| Bertens, Kiki |
| | Poland (2) |
|---|
| Linette, Magda | | Radwanska, Agnieszka |
|
| Puerto Rico (1) |
|---|
| Puig, Monica |
| | Romania (3) |
|---|
| Cirstea, Sorana | | Halep, Simona | | Niculescu, Monica |
| | Russia (4) |
|---|
| Kuznetsova, Svetlana | | Makarova, Ekaterina | | Pavlyuchenkova, Anastasia | | Vesnina, Elena |
| | Slovakia (2) |
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| Cibulkova, Dominika | | Rybarikova, Magdalena |
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| Spain (2) |
|---|
| Muguruza, Garbiñe | | Suárez Navarro, Carla |
| | | | Ukraine (1) |
|---|
| Tsurenko, Lesia |
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| United Kingdom (1) |
|---|
| Konta, Johanna |
| | United States (7) |
|---|
| Bellis, CiCi | | Davis, Lauren | | Keys, Madison | | Lepchenko, Varvara | | McHale, Christina | | Riske, Alison | | Stephens, Sloane |
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