| Bielorussia (2) |
|---|
| Azarenka, Victoria | | Sabalenka, Aryna |
| | Cina (2) |
|---|
| Wang, Qiang | | Zheng, Saisai |
| | Repubblica Ceca (3) |
|---|
| Kvitova, Petra | | Pliskova, Karolina | | Pliskova, Kristyna |
| |
| Estonia (1) |
|---|
| Kontaveit, Anett |
| | Germania (2) |
|---|
| Kerber, Angelique | | Siegemund, Laura |
| | |
| Kazakistan (1) |
|---|
| Rybakina, Elena |
| | Lettonia (1) |
|---|
| Ostapenko, Jelena |
| | | Russia (4) |
|---|
| Blinkova, Anna | | Kudermetova, Veronika | | Kuznetsova, Svetlana | | Pavlyuchenkova, Anastasia |
|
| Spagna (2) |
|---|
| Bucsa, Cristina | | Muguruza, Garbiñe |
| | Svizzera (1) |
|---|
| Bencic, Belinda |
| | | Turchia (1) |
|---|
| Buyukakcay, Cagla |
|
| Ucraina (2) |
|---|
| Svitolina, Elina | | Tsurenko, Lesia |
| | Stati Uniti (5) |
|---|
| Anisimova, Amanda | | Brady, Jennifer | | Keys, Madison | | Mattek-Sands, Bethanie | | Pegula, Jessica |
|