Argentína (2) |
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Del Potro, Juan Martin | Delbonis, Federico |
| Austrália (2) |
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Barty, Ashleigh | Thompson, Jordan |
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Azarenka, Victoria | Sabalenka, Aryna |
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Chorvátsko (1) |
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Karlovic, Ivo |
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Pouille, Lucas | Simon, Gilles |
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Maroko (1) |
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Benchetrit, Elliot |
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Puig, Monica |
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Kasatkina, Daria |
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Klizan, Martin |
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Bautista Agut, Roberto |
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Edmund, Kyle |
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USA (4) |
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Anisimova, Amanda | Collins, Danielle | Fritz, Taylor | Williams, Serena |
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