| Australia (5) |
|---|
| Barty, Ashleigh | | Gavrilova, Daria | | Hon, Priscilla | | Stosur, Samantha | | Tomljanovic, Ajla |
| | Bielorussia (2) |
|---|
| Sabalenka, Aryna | | Sasnovich, Aliaksandra |
| | | Repubblica Ceca (2) |
|---|
| Kvitova, Petra | | Siniakova, Katerina |
|
| Estonia (1) |
|---|
| Kontaveit, Anett |
| | Germania (2) |
|---|
| Kerber, Angelique | | Maria, Tatjana |
| | | Kazakistan (1) |
|---|
| Putintseva, Yulia |
|
| Lettonia (2) |
|---|
| Ostapenko, Jelena | | Sevastova, Anastasija |
| | | Porto Rico (1) |
|---|
| Puig, Monica |
| |
| Russia (2) |
|---|
| Alexandrova, Ekaterina | | Kasatkina, Daria |
| | Slovacchia (1) |
|---|
| Cibulkova, Dominika |
| | Spagna (2) |
|---|
| Muguruza, Garbiñe | | Suárez Navarro, Carla |
| | Svizzera (1) |
|---|
| Bacsinszky, Timea |
|
| | Regno Unito (1) |
|---|
| Konta, Johanna |
| | Stati Uniti (3) |
|---|
| Collins, Danielle | | Pera, Bernarda | | Stephens, Sloane |
|