| Australien (1) |
|---|
| Tomljanovic, Ajla |
| | Hviderusland (2) |
|---|
| Azarenka, Victoria | | Sabalenka, Aryna |
| | Belgien (1) |
|---|
| Mertens, Elise |
| | Kina (2) |
|---|
| Zhang, Shuai | | Zheng, Saisai |
|
| | Tjekkiet (1) |
|---|
| Bouzkova, Marie |
| | | Tyskland (1) |
|---|
| Petkovic, Andrea |
|
| Grækenland (1) |
|---|
| Sakkari, Maria |
| | | Japan (2) |
|---|
| Doi, Misaki | | Hibi, Mayo |
| |
| Rumænien (1) |
|---|
| Buzarnescu, Mihaela |
| | Rusland (2) |
|---|
| Alexandrova, Ekaterina | | Kasatkina, Daria |
| | Spanien (1) |
|---|
| Suárez Navarro, Carla |
| | Ukraine (1) |
|---|
| Svitolina, Elina |
|
| Storbritannien (1) |
|---|
| Watson, Heather |
| | USA (7) |
|---|
| Ahn, Kristie | | Anisimova, Amanda | | Brengle, Madison | | Collins, Danielle | | Mattek-Sands, Bethanie | | Vandeweghe, Coco | | Williams, Venus |
|