| Argentina (1) |
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| Schwartzman, Diego |
| | Australia (2) |
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| Birrell, Kimberly | | Popyrin, Alexei |
| | Belarús (1) |
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| Sabalenka, Aryna |
| | Bulgaria (1) |
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| Dimitrov, Grigor |
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| Canadá (1) |
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| Fernandez, Leylah |
| | | República Checa (2) |
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| Fruhvirtova, Linda | | Pliskova, Karolina |
| | Francia (3) |
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| Bonzi, Benjamin | | Chardy, Jeremy | | Garcia, Caroline |
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| | Kazajstán (1) |
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| Putintseva, Yulia |
| | | Rusia (2) |
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| Alexandrova, Ekaterina | | Kudermetova, Veronika |
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| | Eslovaquia (1) |
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| Schmiedlova, Anna Karolina |
| | España (2) |
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| Carreno Busta, Pablo | | Davidovich Fokina, Alejandro |
| | Reino Unido (1) |
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| Evans, Daniel |
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| Estados Unidos (8) |
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| Brooksby, Jenson | | Fritz, Taylor | | Paul, Tommy | | Rogers, Shelby | | Shelton, Ben | | Townsend, Taylor | | Volynets, Katie | | Wolf, J.J. |
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