| Australia (2) |
|---|
| Barty, Ashleigh | | Sharma, Astra |
| | Bielorussia (3) |
|---|
| Azarenka, Victoria | | Sabalenka, Aryna | | Sasnovich, Aliaksandra |
| | | Cina (3) |
|---|
| Wang, Qiang | | Wang, Yafan | | Zheng, Saisai |
|
| Croazia (2) |
|---|
| Martic, Petra | | Vekic, Donna |
| | Repubblica Ceca (4) |
|---|
| Kvitova, Petra | | Pliskova, Karolina | | Siniakova, Katerina | | Strycova, Barbora |
| | Danimarca (1) |
|---|
| Wozniacki, Caroline |
| | Estonia (1) |
|---|
| Kontaveit, Anett |
|
| Francia (1) |
|---|
| Garcia, Caroline |
| | Germania (2) |
|---|
| Goerges, Julia | | Kerber, Angelique |
| | |
| | Kazakistan (2) |
|---|
| Diyas, Zarina | | Putintseva, Yulia |
| | Lettonia (2) |
|---|
| Ostapenko, Jelena | | Sevastova, Anastasija |
| |
| | Porto Rico (1) |
|---|
| Puig, Monica |
| | | Russia (5) |
|---|
| Alexandrova, Ekaterina | | Kasatkina, Daria | | Kudermetova, Veronika | | Kuznetsova, Svetlana | | Sharapova, Maria |
|
| Slovacchia (1) |
|---|
| Kuzmova, Viktoria |
| | Spagna (2) |
|---|
| Muguruza, Garbiñe | | Suárez Navarro, Carla |
| | Svezia (1) |
|---|
| Peterson, Rebecca |
| | Svizzera (1) |
|---|
| Bencic, Belinda |
|
| | | Ucraina (3) |
|---|
| Svitolina, Elina | | Tsurenko, Lesia | | Yastremska, Dayana |
| | Regno Unito (1) |
|---|
| Konta, Johanna |
|
| Stati Uniti (12) |
|---|
| Anisimova, Amanda | | Brady, Jennifer | | Davis, Lauren | | Kenin, Sofia | | Keys, Madison | | McNally, Caty | | Pegula, Jessica | | Pera, Bernarda | | Riske, Alison | | Stephens, Sloane | | Williams, Serena | | Williams, Venus |
|