| Australië (3) |
|---|
| Barty, Ashleigh | | Gavrilova, Daria | | Tomljanovic, Ajla |
| | Wit-Rusland (3) |
|---|
| Azarenka, Victoria | | Sabalenka, Aryna | | Sasnovich, Aliaksandra |
| | België (3) |
|---|
| Flipkens, Kirsten | | Mertens, Elise | | Uytvanck, Alison Van |
| | China (4) |
|---|
| Wang, Qiang | | Wang, Yafan | | Zhang, Shuai | | Zheng, Saisai |
|
| Kroatië (2) |
|---|
| Martic, Petra | | Vekic, Donna |
| | Tsjechië (5) |
|---|
| Kvitova, Petra | | Pliskova, Karolina | | Pliskova, Kristyna | | Siniakova, Katerina | | Strycova, Barbora |
| | Denemarken (1) |
|---|
| Wozniacki, Caroline |
| | Estland (1) |
|---|
| Kontaveit, Anett |
|
| Frankrijk (4) |
|---|
| Cornet, Alizé | | Garcia, Caroline | | Mladenovic, Kristina | | Parmentier, Pauline |
| | Duitsland (2) |
|---|
| Goerges, Julia | | Kerber, Angelique |
| | Griekenland (1) |
|---|
| Sakkari, Maria |
| |
| Kazachstan (1) |
|---|
| Putintseva, Yulia |
| | Letland (2) |
|---|
| Ostapenko, Jelena | | Sevastova, Anastasija |
| | Nederland (1) |
|---|
| Bertens, Kiki |
| | Roemenië (4) |
|---|
| Begu, Irina-Camelia | | Buzarnescu, Mihaela | | Cirstea, Sorana | | Halep, Simona |
|
| Rusland (5) |
|---|
| Gasparyan, Margarita | | Kasatkina, Daria | | Kuznetsova, Svetlana | | Pavlyuchenkova, Anastasia | | Zvonareva, Vera |
| | Slowakije (3) |
|---|
| Cibulkova, Dominika | | Kuzmova, Viktoria | | Schmiedlova, Anna Karolina |
| | Slovenië (1) |
|---|
| Hercog, Polona |
| | Spanje (4) |
|---|
| Arruabarrena, Lara | | Muguruza, Garbiñe | | Sorribes Tormo, Sara | | Suárez Navarro, Carla |
|
| Zwitserland (1) |
|---|
| Bencic, Belinda |
| | | Oekraïne (5) |
|---|
| Kostyuk, Marta | | Kozlova, Kateryna | | Svitolina, Elina | | Tsurenko, Lesia | | Yastremska, Dayana |
| | Verenigd Koninkrijk (1) |
|---|
| Konta, Johanna |
|
| Verenigde Staten (5) |
|---|
| Collins, Danielle | | Kenin, Sofia | | Keys, Madison | | Riske, Alison | | Stephens, Sloane |
|