| Аргентина (7) |
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| Baez, Sebastian | | Cerundolo, Francisco | | Comesana, Francisco | | Coria, Federico | | Diaz Acosta, Facundo | | Etcheverry, Tomas Martin | | Navone, Mariano |
| | Австралия (11) |
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| Bolt, Alex | | De Minaur, Alex | | Duckworth, James | | Hijikata, Rinky | | Kokkinakis, Thanasi | | O'Connell, Christopher | | Popyrin, Alexei | | Purcell, Max | | Thompson, Jordan | | Vukic, Aleksandar | | Walton, Adam |
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| Ofner, Sebastian |
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| Galan, Daniel Elahi |
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| Assche, Luca Van | | Cazaux, Arthur | | Fils, Arthur | | Gaston, Hugo | | Halys, Quentin | | Humbert, Ugo | | Janvier, Maxime | | Lestienne, Constant | | Mannarino, Adrian | | Monfils, Gael | | Mpetshi Perricard, Giovanni | | Muller, Alexandre | | Pouille, Lucas | | Rinderknech, Arthur |
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| Германия (5) |
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| Altmaier, Daniel | | Hanfmann, Yannick | | Marterer, Maximilian | | Struff, Jan-Lennard | | Zverev, Alexander |
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| Harris, Lloyd |
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| Kwon, Soonwoo |
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| Alcaraz, Carlos | | Bautista Agut, Roberto | | Carballes Baena, Roberto | | Carreno Busta, Pablo | | Martinez, Pedro | | Moro Canas, Alejandro | | Munar, Jaume |
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| Stricker, Dominic | | Wawrinka, Stan |
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| Соединенные Штаты (11) |
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| Eubanks, Christopher | | Fritz, Taylor | | Giron, Marcos | | Korda, Sebastian | | Kovacevic, Aleksandar | | McDonald, Mackenzie | | Michelsen, Alex | | Nakashima, Brandon | | Paul, Tommy | | Shelton, Ben | | Tiafoe, Frances |
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