| Argentína (6) |
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| Baez, Sebastian | | Cachin, Pedro | | Cerundolo, Francisco | | Diaz Acosta, Facundo | | Etcheverry, Tomas Martin | | Schwartzman, Diego |
| | Austrália (8) |
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| De Minaur, Alex | | Hijikata, Rinky | | O'Connell, Christopher | | Popyrin, Alexei | | Purcell, Max | | Thompson, Jordan | | Vukic, Aleksandar | | Walton, Adam |
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| Ofner, Sebastian |
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| Seyboth Wild, Thiago |
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| Shang, Juncheng | | Zhang, Zhizhen |
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| Galan, Daniel Elahi |
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| Ruusuvuori, Emil |
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| Francúzsko (7) |
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| Assche, Luca Van | | Fils, Arthur | | Humbert, Ugo | | Mannarino, Adrian | | Mayot, Harold | | Monfils, Gael | | Muller, Alexandre |
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| Altmaier, Daniel | | Hanfmann, Yannick | | Koepfer, Dominik | | Struff, Jan-Lennard | | Zverev, Alexander |
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| Tsitsipas, Stefanos |
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| Wong, Chak Lam Coleman |
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| Arnaldi, Matteo | | Berrettini, Matteo | | Cobolli, Flavio | | Darderi, Luciano | | Musetti, Lorenzo | | Sinner, Jannik | | Sonego, Lorenzo | | Vavassori, Andrea |
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| Daniel, Taro | | Nishikori, Kei | | Nishioka, Yoshihito |
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| Djere, Laslo | | Kecmanovic, Miomir | | Lajovic, Dusan |
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| Klein, Lukas |
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| Kwon, Soonwoo |
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| Alcaraz, Carlos | | Bautista Agut, Roberto | | Carballes Baena, Roberto | | Davidovich Fokina, Alejandro | | Landaluce, Martin | | Munar, Jaume |
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| Draper, Jack | | Evans, Daniel | | Murray, Andy | | Norrie, Cameron |
| | USA (13) |
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| Blanch, Darwin | | Damm, Martin | | Eubanks, Christopher | | Fritz, Taylor | | Giron, Marcos | | Korda, Sebastian | | Kovacevic, Aleksandar | | Michelsen, Alex | | Nakashima, Brandon | | Nava, Emilio | | Paul, Tommy | | Shelton, Ben | | Tiafoe, Frances |
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