| Australië (4) |
|---|
| Barty, Ashleigh | | Gavrilova, Daria | | Stosur, Samantha | | Tomljanovic, Ajla |
| | Wit-Rusland (4) |
|---|
| Azarenka, Victoria | | Lapko, Vera | | Sabalenka, Aryna | | Sasnovich, Aliaksandra |
| | België (4) |
|---|
| Flipkens, Kirsten | | Mertens, Elise | | Uytvanck, Alison Van | | Wickmayer, Yanina |
| | Canada (1) |
|---|
| Andreescu, Bianca |
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| China (6) |
|---|
| Wang, Qiang | | Wang, Xinyu | | Wang, Xiyu | | Wang, Yafan | | Zhang, Shuai | | Zheng, Saisai |
| | Kroatië (2) |
|---|
| Martic, Petra | | Vekic, Donna |
| | Tsjechië (7) |
|---|
| Kvitova, Petra | | Muchova, Karolina | | Pliskova, Karolina | | Pliskova, Kristyna | | Siniakova, Katerina | | Strycova, Barbora | | Vondrousova, Marketa |
| | Denemarken (1) |
|---|
| Wozniacki, Caroline |
|
| Estland (2) |
|---|
| Kanepi, Kaia | | Kontaveit, Anett |
| | Frankrijk (4) |
|---|
| Cornet, Alizé | | Garcia, Caroline | | Mladenovic, Kristina | | Parmentier, Pauline |
| | Duitsland (6) |
|---|
| Friedsam, Anna-Lena | | Goerges, Julia | | Kerber, Angelique | | Maria, Tatjana | | Petkovic, Andrea | | Siegemund, Laura |
| | Griekenland (1) |
|---|
| Sakkari, Maria |
|
| | Japan (4) |
|---|
| Doi, Misaki | | Hibino, Nao | | Osaka, Mari | | Osaka, Naomi |
| | Kazachstan (1) |
|---|
| Putintseva, Yulia |
| | Letland (2) |
|---|
| Ostapenko, Jelena | | Sevastova, Anastasija |
|
| Nederland (1) |
|---|
| Bertens, Kiki |
| | Puerto Rico (1) |
|---|
| Puig, Monica |
| | Roemenië (4) |
|---|
| Begu, Irina-Camelia | | Buzarnescu, Mihaela | | Halep, Simona | | Niculescu, Monica |
| | Rusland (6) |
|---|
| Alexandrova, Ekaterina | | Gasparyan, Margarita | | Kasatkina, Daria | | Pavlyuchenkova, Anastasia | | Rodina, Evgeniya | | Vikhlyantseva, Natalia |
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| Servië (2) |
|---|
| Danilovic, Olga | | Krunic, Aleksandra |
| | Slowakije (4) |
|---|
| Cibulkova, Dominika | | Kuzmova, Viktoria | | Rybarikova, Magdalena | | Schmiedlova, Anna Karolina |
| | Slovenië (3) |
|---|
| Hercog, Polona | | Jakupovic, Dalila | | Zidansek, Tamara |
| | Spanje (3) |
|---|
| Muguruza, Garbiñe | | Sorribes Tormo, Sara | | Suárez Navarro, Carla |
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| Zweden (2) |
|---|
| Larsson, Johanna | | Peterson, Rebecca |
| | Zwitserland (2) |
|---|
| Bencic, Belinda | | Golubic, Viktorija |
| | |
| Oekraïne (3) |
|---|
| Svitolina, Elina | | Tsurenko, Lesia | | Yastremska, Dayana |
| | Verenigd Koninkrijk (1) |
|---|
| Konta, Johanna |
| | Verenigde Staten (14) |
|---|
| Anisimova, Amanda | | Collins, Danielle | | Gauff, Cori | | Kenin, Sofia | | Keys, Madison | | McNally, Caty | | Osuigwe, Whitney | | Pegula, Jessica | | Riske, Alison | | Stephens, Sloane | | Townsend, Taylor | | Vickery, Sachia | | Williams, Serena | | Williams, Venus |
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