| Argentina (1) |
|---|
| Schwartzman, Diego |
| | Australia (2) |
|---|
| Birrell, Kimberly | | Popyrin, Alexei |
| | Bielorussia (1) |
|---|
| Sabalenka, Aryna |
| | Bulgaria (1) |
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| Dimitrov, Grigor |
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| Canada (1) |
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| Fernandez, Leylah |
| | | Repubblica Ceca (2) |
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| Fruhvirtova, Linda | | Pliskova, Karolina |
| | Francia (3) |
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| Bonzi, Benjamin | | Chardy, Jeremy | | Garcia, Caroline |
|
| | Kazakistan (1) |
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| Putintseva, Yulia |
| | | Russia (2) |
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| Alexandrova, Ekaterina | | Kudermetova, Veronika |
|
| | Slovacchia (1) |
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| Schmiedlova, Anna Karolina |
| | Spagna (2) |
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| Carreno Busta, Pablo | | Davidovich Fokina, Alejandro |
| | Regno Unito (1) |
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| Evans, Daniel |
|
| Stati Uniti (8) |
|---|
| Brooksby, Jenson | | Fritz, Taylor | | Paul, Tommy | | Rogers, Shelby | | Shelton, Ben | | Townsend, Taylor | | Volynets, Katie | | Wolf, J.J. |
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