| Australien (3) |
|---|
| Barty, Ashleigh | | Gavrilova, Daria | | Stosur, Samantha |
| | Hviderusland (1) |
|---|
| Sabalenka, Aryna |
| | Belgien (2) |
|---|
| Mertens, Elise | | Uytvanck, Alison Van |
| |
| | Tjekkiet (5) |
|---|
| Kvitova, Petra | | Pliskova, Karolina | | Pliskova, Kristyna | | Sestini Hlavackova, Andrea | | Strycova, Barbora |
| | Danmark (1) |
|---|
| Wozniacki, Caroline |
| |
| Frankrig (2) |
|---|
| Cornet, Alizé | | Mladenovic, Kristina |
| | Tyskland (2) |
|---|
| Goerges, Julia | | Kerber, Angelique |
| | Grækenland (1) |
|---|
| Sakkari, Maria |
| |
| Italien (1) |
|---|
| Giorgi, Camila |
| | | Kasakhstan (1) |
|---|
| Putintseva, Yulia |
| | Letland (2) |
|---|
| Ostapenko, Jelena | | Sevastova, Anastasija |
|
| | Polen (1) |
|---|
| Radwanska, Agnieszka |
| | Rumænien (3) |
|---|
| Begu, Irina-Camelia | | Buzarnescu, Mihaela | | Cirstea, Sorana |
| | Rusland (5) |
|---|
| Kasatkina, Daria | | Kuznetsova, Svetlana | | Makarova, Ekaterina | | Pavlyuchenkova, Anastasia | | Vikhlyantseva, Natalia |
|
| Serbien (1) |
|---|
| Krunic, Aleksandra |
| | Slovakiet (2) |
|---|
| Cibulkova, Dominika | | Rybarikova, Magdalena |
| | Spanien (1) |
|---|
| Suárez Navarro, Carla |
| |
| Ukraine (1) |
|---|
| Bondarenko, Kateryna |
| | Storbritannien (4) |
|---|
| Dart, Harriet | | Konta, Johanna | | Swan, Katie | | Watson, Heather |
| | USA (3) |
|---|
| Collins, Danielle | | Pera, Bernarda | | Vickery, Sachia |
|