| Australia (2) |
|---|
| Gavrilova, Daria | | Stosur, Samantha |
| | Belarus (2) |
|---|
| Sabalenka, Aryna | | Sasnovich, Aliaksandra |
| | Czech Republic (3) |
|---|
| Kvitova, Petra | | Pliskova, Karolina | | Strycova, Barbora |
| | Estonia (1) |
|---|
| Kontaveit, Anett |
|
| France (3) |
|---|
| Garcia, Caroline | | Mladenovic, Kristina | | Parmentier, Pauline |
| | Germany (2) |
|---|
| Goerges, Julia | | Siegemund, Laura |
| | |
| Kazakhstan (1) |
|---|
| Diyas, Zarina |
| | Netherlands (1) |
|---|
| Bertens, Kiki |
| | Poland (1) |
|---|
| Radwanska, Agnieszka |
| | Puerto Rico (1) |
|---|
| Puig, Monica |
|
| Romania (3) |
|---|
| Begu, Irina-Camelia | | Bogdan, Ana | | Halep, Simona |
| | Russia (1) |
|---|
| Makarova, Ekaterina |
| | Slovakia (2) |
|---|
| Cibulkova, Dominika | | Rybarikova, Magdalena |
| | Spain (1) |
|---|
| Suárez Navarro, Carla |
|
| Switzerland (2) |
|---|
| Bacsinszky, Timea | | Bencic, Belinda |
| | Ukraine (1) |
|---|
| Yastremska, Dayana |
| | United Kingdom (1) |
|---|
| Konta, Johanna |
| | United States (2) |
|---|
| Collins, Danielle | | Vandeweghe, Coco |
|