| Czech Republic (4) |
|---|
| Kvitova, Petra | | Pliskova, Karolina | | Strycova, Barbora | | Vondrousova, Marketa |
| | Estonia (1) |
|---|
| Kontaveit, Anett |
| | France (2) |
|---|
| Garcia, Caroline | | Mladenovic, Kristina |
| | Germany (5) |
|---|
| Goerges, Julia | | Kerber, Angelique | | Lottner, Antonia | | Siegemund, Laura | | Witthoeft, Carina |
|
| Kazakhstan (1) |
|---|
| Diyas, Zarina |
| | Latvia (1) |
|---|
| Ostapenko, Jelena |
| | Netherlands (1) |
|---|
| Bertens, Kiki |
| |
| Russia (4) |
|---|
| Kasatkina, Daria | | Kudermetova, Veronika | | Pavlyuchenkova, Anastasia | | Sharapova, Maria |
| | Slovakia (1) |
|---|
| Rybarikova, Magdalena |
| | Spain (2) |
|---|
| Muguruza, Garbiñe | | Suárez Navarro, Carla |
| | Ukraine (2) |
|---|
| Kostyuk, Marta | | Svitolina, Elina |
|
| United States (3) |
|---|
| Keys, Madison | | Stephens, Sloane | | Vandeweghe, Coco |
|