| Australia (2) |
|---|
| Stosur, Samantha | | Tomljanovic, Ajla |
| | Belarus (3) |
|---|
| Lapko, Vera | | Sabalenka, Aryna | | Sasnovich, Aliaksandra |
| | Belgium (1) |
|---|
| Mertens, Elise |
| | Canada (1) |
|---|
| Bouchard, Eugenie |
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| China (3) |
|---|
| Zhang, Shuai | | Zheng, Saisai | | Zhu, Lin |
| | Croatia (2) |
|---|
| Martic, Petra | | Vekic, Donna |
| | Czech Republic (5) |
|---|
| Hradecka, Lucie | | Kvitova, Petra | | Pliskova, Karolina | | Siniakova, Katerina | | Strycova, Barbora |
| | Denmark (1) |
|---|
| Wozniacki, Caroline |
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| Estonia (1) |
|---|
| Kontaveit, Anett |
| | France (3) |
|---|
| Cornet, Alizé | | Garcia, Caroline | | Mladenovic, Kristina |
| | Germany (2) |
|---|
| Goerges, Julia | | Kerber, Angelique |
| |
| | | Kazakhstan (2) |
|---|
| Diyas, Zarina | | Putintseva, Yulia |
| | Latvia (2) |
|---|
| Ostapenko, Jelena | | Sevastova, Anastasija |
|
| Netherlands (1) |
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| Bertens, Kiki |
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| Al Nabhani, Fatma |
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|---|
| Frech, Magdalena |
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|---|
| Buzarnescu, Mihaela | | Halep, Simona |
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| Russia (3) |
|---|
| Kasatkina, Daria | | Makarova, Ekaterina | | Pavlyuchenkova, Anastasia |
| | | Slovakia (2) |
|---|
| Cibulkova, Dominika | | Kuzmova, Viktoria |
| | Slovenia (2) |
|---|
| Hercog, Polona | | Jakupovic, Dalila |
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| Spain (3) |
|---|
| Arruabarrena, Lara | | Muguruza, Garbiñe | | Suárez Navarro, Carla |
| | Switzerland (2) |
|---|
| Bencic, Belinda | | Voegele, Stefanie |
| | |
| Ukraine (3) |
|---|
| Svitolina, Elina | | Tsurenko, Lesia | | Yastremska, Dayana |
| | United States (4) |
|---|
| Brady, Jennifer | | Kenin, Sofia | | Pera, Bernarda | | Riske, Alison |
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