| Australia (5) |
|---|
| Barty, Ashleigh | | Gavrilova, Daria | | Stosur, Samantha | | Tomljanovic, Ajla | | Wallace, Isabelle |
| | Belarus (3) |
|---|
| Azarenka, Victoria | | Sabalenka, Aryna | | Sasnovich, Aliaksandra |
| | Belgium (4) |
|---|
| Flipkens, Kirsten | | Mertens, Elise | | Uytvanck, Alison Van | | Wickmayer, Yanina |
| | China (6) |
|---|
| Duan, Ying-Ying | | Peng, Shuai | | Wang, Qiang | | Wang, Yafan | | Zhang, Shuai | | Zheng, Saisai |
|
| Colombia (1) |
|---|
| Duque-Mariño, Mariana |
| | Croatia (3) |
|---|
| Konjuh, Ana | | Martic, Petra | | Vekic, Donna |
| | Czech Republic (9) |
|---|
| Allertova, Denisa | | Krejcikova, Barbora | | Kvitova, Petra | | Pliskova, Karolina | | Pliskova, Kristyna | | Safarova, Lucie | | Siniakova, Katerina | | Strycova, Barbora | | Vondrousova, Marketa |
| | Denmark (1) |
|---|
| Wozniacki, Caroline |
|
| Estonia (2) |
|---|
| Kanepi, Kaia | | Kontaveit, Anett |
| | France (10) |
|---|
| Cornet, Alizé | | Dodin, Oceane | | Ferro, Fiona | | Garcia, Caroline | | Georges, Myrtille | | Hesse, Amandine | | Mladenovic, Kristina | | Paquet, Chloe | | Parmentier, Pauline | | Ponchet, Jessika |
| | Germany (7) |
|---|
| Barthel, Mona | | Goerges, Julia | | Kerber, Angelique | | Maria, Tatjana | | Petkovic, Andrea | | Siegemund, Laura | | Witthoeft, Carina |
| |
| | Italy (4) |
|---|
| Chiesa, Deborah | | Errani, Sara | | Giorgi, Camila | | Schiavone, Francesca |
| | Japan (2) |
|---|
| Nara, Kurumi | | Osaka, Naomi |
| | Kazakhstan (2) |
|---|
| Diyas, Zarina | | Putintseva, Yulia |
|
| Latvia (2) |
|---|
| Ostapenko, Jelena | | Sevastova, Anastasija |
| | Luxembourg (1) |
|---|
| Minella, Mandy |
| | Netherlands (3) |
|---|
| Bertens, Kiki | | Hogenkamp, Richel | | Rus, Arantxa |
| | Paraguay (1) |
|---|
| Cepede Royg, Veronica |
|
| Poland (2) |
|---|
| Frech, Magdalena | | Linette, Magda |
| | Romania (6) |
|---|
| Begu, Irina-Camelia | | Bogdan, Ana | | Buzarnescu, Mihaela | | Cirstea, Sorana | | Dulgheru, Alexandra | | Halep, Simona |
| | Russia (8) |
|---|
| Alexandrova, Ekaterina | | Kasatkina, Daria | | Kuznetsova, Svetlana | | Makarova, Ekaterina | | Pavlyuchenkova, Anastasia | | Sharapova, Maria | | Vesnina, Elena | | Vikhlyantseva, Natalia |
| | Serbia (1) |
|---|
| Krunic, Aleksandra |
|
| Slovakia (5) |
|---|
| Cibulkova, Dominika | | Kucova, Kristina | | Kuzmova, Viktoria | | Rybarikova, Magdalena | | Schmiedlova, Anna Karolina |
| | Slovenia (2) |
|---|
| Hercog, Polona | | Jakupovic, Dalila |
| | Spain (4) |
|---|
| Arruabarrena, Lara | | Garcia Perez, Georgina | | Muguruza, Garbiñe | | Suárez Navarro, Carla |
| | Sweden (2) |
|---|
| Larsson, Johanna | | Peterson, Rebecca |
|
| Switzerland (3) |
|---|
| Bencic, Belinda | | Golubic, Viktorija | | Voegele, Stefanie |
| | | Thailand (1) |
|---|
| Kumkhum, Luksika |
| | Ukraine (4) |
|---|
| Bondarenko, Kateryna | | Kozlova, Kateryna | | Svitolina, Elina | | Tsurenko, Lesia |
|
| United Kingdom (2) |
|---|
| Konta, Johanna | | Watson, Heather |
| | United States (19) |
|---|
| Brady, Jennifer | | Brengle, Madison | | Collins, Danielle | | Dolehide, Caroline | | Kenin, Sofia | | Keys, Madison | | King, Vania | | Lepchenko, Varvara | | Mattek-Sands, Bethanie | | McHale, Christina | | Min, Grace | | Pera, Bernarda | | Riske, Alison | | Stephens, Sloane | | Townsend, Taylor | | Vandeweghe, Coco | | Vickery, Sachia | | Williams, Serena | | Williams, Venus |
|