| Weißrussland (1) |
|---|
| Azarenka, Victoria |
| | Belgien (2) |
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| Mertens, Elise | | Minnen, Greet |
| | |
| Tschechien (2) |
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| Kvitova, Petra | | Pliskova, Karolina |
| | Estland (1) |
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| Kontaveit, Anett |
| | Frankreich (1) |
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| Garcia, Caroline |
| | Deutschland (5) |
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| Friedsam, Anna-Lena | | Goerges, Julia | | Kerber, Angelique | | Petkovic, Andrea | | Siegemund, Laura |
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| Italien (1) |
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| Gatto-Monticone, Giulia |
| | | Lettland (2) |
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| Ostapenko, Jelena | | Sevastova, Anastasija |
| | Luxemburg (1) |
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| Minella, Mandy |
|
| Die Niederlande (1) |
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| Bertens, Kiki |
| | Rumänien (1) |
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| Halep, Simona |
| | Russland (3) |
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| Kasatkina, Daria | | Pavlyuchenkova, Anastasia | | Zvonareva, Vera |
| | Slowakei (1) |
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| Cibulkova, Dominika |
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| Spanien (2) |
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| Muguruza, Garbiñe | | Sorribes Tormo, Sara |
| | Schweiz (1) |
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| Bencic, Belinda |
| | | Ukraine (1) |
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| Tsurenko, Lesia |
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