| Australia (5) |
|---|
| Barty, Ashleigh | | Gavrilova, Daria | | Kasatkina, Daria | | Stosur, Samantha | | Tomljanovic, Ajla |
| | Belarus (2) |
|---|
| Sabalenka, Aryna | | Sasnovich, Aliaksandra |
| | Belgium (2) |
|---|
| Flipkens, Kirsten | | Mertens, Elise |
| | China (3) |
|---|
| Wang, Qiang | | Zhang, Shuai | | Zheng, Saisai |
|
| Czech Republic (4) |
|---|
| Pliskova, Karolina | | Siniakova, Katerina | | Strycova, Barbora | | Vondrousova, Marketa |
| | Denmark (1) |
|---|
| Wozniacki, Caroline |
| | Estonia (1) |
|---|
| Kontaveit, Anett |
| | France (3) |
|---|
| Cornet, Alizé | | Ferro, Fiona | | Parmentier, Pauline |
|
| Germany (4) |
|---|
| Friedsam, Anna-Lena | | Goerges, Julia | | Kerber, Angelique | | Petkovic, Andrea |
| | | | Kazakhstan (2) |
|---|
| Diyas, Zarina | | Putintseva, Yulia |
|
| Latvia (2) |
|---|
| Ostapenko, Jelena | | Sevastova, Anastasija |
| | Luxembourg (1) |
|---|
| Minella, Mandy |
| | Netherlands (1) |
|---|
| Bertens, Kiki |
| |
| Puerto Rico (1) |
|---|
| Puig, Monica |
| | Romania (2) |
|---|
| Buzarnescu, Mihaela | | Halep, Simona |
| | Russia (4) |
|---|
| Alexandrova, Ekaterina | | Gasparyan, Margarita | | Kudermetova, Veronika | | Rodina, Evgeniya |
| | Slovenia (2) |
|---|
| Hercog, Polona | | Zidansek, Tamara |
|
| Spain (1) |
|---|
| Suárez Navarro, Carla |
| | Sweden (1) |
|---|
| Peterson, Rebecca |
| | Swiss (2) |
|---|
| Bencic, Belinda | | Golubic, Viktorija |
| |
| | Ukraine (3) |
|---|
| Svitolina, Elina | | Tsurenko, Lesia | | Yastremska, Dayana |
| | United Kingdom (4) |
|---|
| Dart, Harriet | | Konta, Johanna | | Swan, Katie | | Watson, Heather |
| | United States (4) |
|---|
| Collins, Danielle | | Kenin, Sofia | | Pegula, Jessica | | Stephens, Sloane |
|