| Australia (5) |
|---|
| Barty, Ashleigh | | Gavrilova, Daria | | Perez, Ellen | | Rogowska, Olivia | | Stosur, Samantha |
| | Croatia (1) |
|---|
| Lucic-Baroni, Mirjana |
| | Czech Republic (3) |
|---|
| Kvitova, Petra | | Safarova, Lucie | | Strycova, Barbora |
| | France (1) |
|---|
| Mladenovic, Kristina |
|
| Germany (2) |
|---|
| Kerber, Angelique | | Witthoeft, Carina |
| | | Latvia (2) |
|---|
| Ostapenko, Jelena | | Sevastova, Anastasija |
| | Netherlands (1) |
|---|
| Bertens, Kiki |
|
| Paraguay (1) |
|---|
| Cepede Royg, Veronica |
| | Poland (1) |
|---|
| Radwanska, Agnieszka |
| | Russia (3) |
|---|
| Kasatkina, Daria | | Makarova, Ekaterina | | Vesnina, Elena |
| | Slovakia (2) |
|---|
| Cibulkova, Dominika | | Rybarikova, Magdalena |
|
| Spain (2) |
|---|
| Arruabarrena, Lara | | Muguruza, Garbiñe |
| | United Kingdom (1) |
|---|
| Konta, Johanna |
| | United States (4) |
|---|
| Ahn, Kristie | | Bellis, CiCi | | Stephens, Sloane | | Williams, Venus |
|