| Argentina (2) |
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| Pella, Guido | | Schwartzman, Diego |
| | Australien (7) |
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| Barty, Ashleigh | | De Minaur, Alex | | Kyrgios, Nick | | Millman, John | | Thompson, Jordan | | Tomic, Bernard | | Tomljanovic, Ajla |
| | | Hviderusland (4) |
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| Azarenka, Victoria | | Ivashka, Ilya | | Sabalenka, Aryna | | Sasnovich, Aliaksandra |
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| Garin, Christian |
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| Wozniacki, Caroline |
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| Basilashvili, Nikoloz |
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