| Australia (4) |
|---|
| Barty, Ashleigh | | Gavrilova, Daria | | Kasatkina, Daria | | Tomljanovic, Ajla |
| | Belarus (3) |
|---|
| Azarenka, Victoria | | Sabalenka, Aryna | | Sasnovich, Aliaksandra |
| | Belgium (3) |
|---|
| Flipkens, Kirsten | | Mertens, Elise | | Uytvanck, Alison Van |
| | China (4) |
|---|
| Wang, Qiang | | Wang, Yafan | | Zhang, Shuai | | Zheng, Saisai |
|
| Croatia (2) |
|---|
| Martic, Petra | | Vekic, Donna |
| | Czech Republic (5) |
|---|
| Kvitova, Petra | | Pliskova, Karolina | | Pliskova, Kristyna | | Siniakova, Katerina | | Strycova, Barbora |
| | Denmark (1) |
|---|
| Wozniacki, Caroline |
| | Estonia (1) |
|---|
| Kontaveit, Anett |
|
| France (4) |
|---|
| Cornet, Alizé | | Garcia, Caroline | | Mladenovic, Kristina | | Parmentier, Pauline |
| | Germany (2) |
|---|
| Goerges, Julia | | Kerber, Angelique |
| | |
| Kazakhstan (1) |
|---|
| Putintseva, Yulia |
| | Latvia (2) |
|---|
| Ostapenko, Jelena | | Sevastova, Anastasija |
| | Netherlands (1) |
|---|
| Bertens, Kiki |
| | Romania (4) |
|---|
| Begu, Irina-Camelia | | Buzarnescu, Mihaela | | Cirstea, Sorana | | Halep, Simona |
|
| Russia (4) |
|---|
| Gasparyan, Margarita | | Kuznetsova, Svetlana | | Pavlyuchenkova, Anastasia | | Zvonareva, Vera |
| | Slovakia (3) |
|---|
| Cibulkova, Dominika | | Kuzmova, Viktoria | | Schmiedlova, Anna Karolina |
| | Slovenia (1) |
|---|
| Hercog, Polona |
| | Spain (4) |
|---|
| Arruabarrena, Lara | | Muguruza, Garbiñe | | Sorribes Tormo, Sara | | Suárez Navarro, Carla |
|
| | | Ukraine (5) |
|---|
| Kostyuk, Marta | | Kozlova, Kateryna | | Svitolina, Elina | | Tsurenko, Lesia | | Yastremska, Dayana |
| | United Kingdom (1) |
|---|
| Konta, Johanna |
|
| United States (5) |
|---|
| Collins, Danielle | | Kenin, Sofia | | Keys, Madison | | Riske, Alison | | Stephens, Sloane |
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