| Argentina (1) |
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| Schwartzman, Diego |
| | Australia (3) |
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| De Minaur, Alex | | Purcell, Max | | Thompson, Jordan |
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| Ofner, Sebastian |
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| Auger-Aliassime, Felix |
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| Rune, Holger |
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| Atmane, Terence |
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| Altmaier, Daniel | | Koepfer, Dominik | | Zverev, Alexander |
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| Tsitsipas, Stefanos |
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| Draper, Jack | | Evans, Daniel |
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| Stati Uniti (7) |
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| Eubanks, Christopher | | Fritz, Taylor | | Kovacevic, Aleksandar | | Mmoh, Michael | | Paul, Tommy | | Shelton, Ben | | Tiafoe, Frances |
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