| l’Australie (3) |
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| Kyrgios, Nick | | Purcell, Max | | Thompson, Jordan |
| | le Canada (1) |
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| Diez, Steven |
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| Galan, Daniel Elahi |
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| Gojowczyk, Peter |
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| Varillas, Juan Pablo |
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| Lopez, Feliciano |
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| les Etats-Unis (16) |
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| Brooksby, Jenson | | Fritz, Taylor | | Giron, Marcos | | Harrison, Christian | | Isner, John | | Johnson, Steve | | Krueger, Mitchell | | Kudla, Denis | | McDonald, Mackenzie | | Mmoh, Michael | | Opelka, Reilly | | Paul, Tommy | | Querrey, Sam | | Sock, Jack | | Tiafoe, Frances | | Wolf, J.J. |
| | l’Uruguay (1) |
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| Cuevas, Pablo |
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