Argentina (2) |
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Del Potro, Juan Martin | Delbonis, Federico |
| Australia (2) |
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Barty, Ashleigh | Thompson, Jordan |
| Belarus (2) |
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Azarenka, Victoria | Sabalenka, Aryna |
| |
| Frankrike (2) |
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Pouille, Lucas | Simon, Gilles |
| Italia (2) |
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Caruso, Salvatore | Fognini, Fabio |
| Japan (3) |
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Nara, Kurumi | Nishioka, Yoshihito | Osaka, Naomi |
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Marokko (1) |
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Benchetrit, Elliot |
| | Puerto Rico (1) |
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Puig, Monica |
| Russland (1) |
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Kasatkina, Daria |
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| Slovakia (1) |
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Klizan, Martin |
| Spania (1) |
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Bautista Agut, Roberto |
| |
Amerika (4) |
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Anisimova, Amanda | Collins, Danielle | Fritz, Taylor | Williams, Serena |
| |