| Belarus (1) |
|---|
| Azarenka, Victoria |
| | Belgium (2) |
|---|
| Mertens, Elise | | Minnen, Greet |
| | |
| Czech Republic (2) |
|---|
| Kvitova, Petra | | Pliskova, Karolina |
| | Estonia (1) |
|---|
| Kontaveit, Anett |
| | France (1) |
|---|
| Garcia, Caroline |
| | Germany (5) |
|---|
| Friedsam, Anna-Lena | | Goerges, Julia | | Kerber, Angelique | | Petkovic, Andrea | | Siegemund, Laura |
|
| Italy (1) |
|---|
| Gatto-Monticone, Giulia |
| | | Latvia (2) |
|---|
| Ostapenko, Jelena | | Sevastova, Anastasija |
| | Luxembourg (1) |
|---|
| Minella, Mandy |
|
| Netherlands (1) |
|---|
| Bertens, Kiki |
| | | Russia (3) |
|---|
| Kasatkina, Daria | | Pavlyuchenkova, Anastasia | | Zvonareva, Vera |
| | Slovakia (1) |
|---|
| Cibulkova, Dominika |
|
| Spain (2) |
|---|
| Muguruza, Garbiñe | | Sorribes Tormo, Sara |
| | Switzerland (1) |
|---|
| Bencic, Belinda |
| | | Ukraine (1) |
|---|
| Tsurenko, Lesia |
|