| Australia (1) |
|---|
| Barty, Ashleigh |
| | Belarus (2) |
|---|
| Sabalenka, Aryna | | Sasnovich, Aliaksandra |
| | Bulgaria (1) |
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| Tomova, Viktoriya |
| |
| Croatia (2) |
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| Martic, Petra | | Vekic, Donna |
| | Czech Republic (3) |
|---|
| Pliskova, Karolina | | Pliskova, Kristyna | | Strycova, Barbora |
| | Estonia (1) |
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| Kontaveit, Anett |
| | France (1) |
|---|
| Mladenovic, Kristina |
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| Germany (1) |
|---|
| Goerges, Julia |
| | | | Kazakhstan (1) |
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| Putintseva, Yulia |
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| Latvia (1) |
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| Ostapenko, Jelena |
| | | Romania (1) |
|---|
| Buzarnescu, Mihaela |
| | Russia (3) |
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| Alexandrova, Ekaterina | | Gasparyan, Margarita | | Rodina, Evgeniya |
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| | Ukraine (3) |
|---|
| Svitolina, Elina | | Tsurenko, Lesia | | Yastremska, Dayana |
| | United Kingdom (3) |
|---|
| Dart, Harriet | | Konta, Johanna | | Watson, Heather |
| | United States (3) |
|---|
| Brady, Jennifer | | Davis, Lauren | | Williams, Venus |
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