| Australia (3) |
|---|
| Barty, Ashleigh | | Gavrilova, Daria | | Kasatkina, Daria |
| | Bielorussia (2) |
|---|
| Azarenka, Victoria | | Sabalenka, Aryna |
| | Belgio (3) |
|---|
| Flipkens, Kirsten | | Mertens, Elise | | Uytvanck, Alison Van |
| | Bulgaria (1) |
|---|
| Karatantcheva, Sesil |
|
| Canada (3) |
|---|
| Abanda, Francoise | | Bouchard, Eugenie | | Zhao, Carol |
| | Cina (2) |
|---|
| Wang, Qiang | | Zhang, Shuai |
| | Repubblica Ceca (6) |
|---|
| Krejcikova, Barbora | | Kvitova, Petra | | Pliskova, Karolina | | Safarova, Lucie | | Siniakova, Katerina | | Strycova, Barbora |
| | Danimarca (1) |
|---|
| Wozniacki, Caroline |
|
| Estonia (1) |
|---|
| Kontaveit, Anett |
| | Francia (3) |
|---|
| Cornet, Alizé | | Garcia, Caroline | | Mladenovic, Kristina |
| | Germania (3) |
|---|
| Goerges, Julia | | Kerber, Angelique | | Maria, Tatjana |
| |
| | | Lettonia (2) |
|---|
| Ostapenko, Jelena | | Sevastova, Anastasija |
| |
| Porto Rico (1) |
|---|
| Puig, Monica |
| | Romania (6) |
|---|
| Begu, Irina-Camelia | | Bogdan, Ana | | Buzarnescu, Mihaela | | Cirstea, Sorana | | Halep, Simona | | Niculescu, Monica |
| | Russia (4) |
|---|
| Makarova, Ekaterina | | Pavlyuchenkova, Anastasia | | Sharapova, Maria | | Zhuk, Sofya |
| | Serbia (1) |
|---|
| Krunic, Aleksandra |
|
| Slovacchia (1) |
|---|
| Rybarikova, Magdalena |
| | Spagna (2) |
|---|
| Muguruza, Garbiñe | | Suárez Navarro, Carla |
| | Ucraina (2) |
|---|
| Svitolina, Elina | | Tsurenko, Lesia |
| | Regno Unito (2) |
|---|
| Boulter, Katie | | Konta, Johanna |
|
| Stati Uniti (4) |
|---|
| Dolehide, Caroline | | McHale, Christina | | Stephens, Sloane | | Williams, Venus |
|