| Аргентина (11) |
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| Baez, Sebastian | | Burruchaga, Roman Andres | | Cerundolo, Francisco | | Cerundolo, Juan Manuel | | Comesana, Francisco | | Diaz Acosta, Facundo | | Etcheverry, Tomas Martin | | Navone, Mariano | | Tirante, Thiago Agustin | | Trungelliti, Marco | | Ugo Carabelli, Camilo |
| | Австралия (7) |
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| De Minaur, Alex | | Duckworth, James | | Hijikata, Rinky | | Kokkinakis, Thanasi | | Popyrin, Alexei | | Vukic, Aleksandar | | Walton, Adam |
| | Австрия (2) |
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| Ofner, Sebastian | | Rodionov, Jurij |
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| Bergs, Zizou | | Blockx, Alexander | | Collignon, Raphael |
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| Боливия (2) |
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| Dellien, Hugo | | Prado Angelo, Juan Carlos |
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| Dzumhur, Damir |
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| Fonseca, Joao |
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| Чили (2) |
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| Garin, Christian | | Tabilo, Alejandro |
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| Wu, Yibing | | Zhang, Zhizhen |
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| Cilic, Marin | | Prizmic, Dino |
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| Kopriva, Vit | | Lehecka, Jiri | | Machac, Tomas | | Mensik, Jakub |
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| Франция (21) |
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| Assche, Luca Van | | Atmane, Terence | | Bonzi, Benjamin | | Droguet, Titouan | | Faurel, Thomas | | Gaston, Hugo | | Gea, Arthur | | Halys, Quentin | | Herbert, Pierre-Hugues | | Humbert, Ugo | | Jacquet, Kyrian | | Kouame, Moise | | Mannarino, Adrian | | Monfils, Gael | | Moutet, Corentin | | Mpetshi Perricard, Giovanni | | Muller, Alexandre | | Pavlovic, Luka | | Rinderknech, Arthur | | Royer, Valentin | | Tabur, Clement |
| | Германия (4) |
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| Altmaier, Daniel | | Hanfmann, Yannick | | Struff, Jan-Lennard | | Zverev, Alexander |
| | Греция (1) |
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| Tsitsipas, Stefanos |
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| Fucsovics, Marton | | Marozsan, Fabian |
| | Италия (9) |
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| Arnaldi, Matteo | | Bellucci, Mattia | | Berrettini, Matteo | | Cina, Federico | | Cobolli, Flavio | | Darderi, Luciano | | Pellegrino, Andrea | | Sinner, Jannik | | Sonego, Lorenzo |
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| Bublik, Alexander | | Shevchenko, Alexander |
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| Vacherot, Valentin |
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| Vallejo, Adolfo Daniel |
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| Khachanov, Karen | | Medvedev, Daniil | | Rublev, Andrey | | Safiullin, Roman |
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| Сербия (3) |
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| Djokovic, Novak | | Kecmanovic, Miomir | | Medjedovic, Hamad |
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| Bautista Agut, Roberto | | Carreno Busta, Pablo | | Davidovich Fokina, Alejandro | | Jodar, Rafael | | Landaluce, Martin | | Llamas Ruiz, Pablo | | Merida, Daniel | | Munar, Jaume |
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| Wawrinka, Stan |
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| Fearnley, Jacob | | Norrie, Cameron | | Samuel, Toby |
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| Соединенные Штаты (18) |
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| Basavareddy, Nishesh | | Brooksby, Jenson | | Fritz, Taylor | | Giron, Marcos | | Kovacevic, Aleksandar | | Kypson, Patrick | | Michelsen, Alex | | Nakashima, Brandon | | Nava, Emilio | | Opelka, Reilly | | Paul, Tommy | | Quinn, Ethan | | Shelton, Ben | | Spizzirri, Eliot | | Svajda, Zachary | | Tiafoe, Frances | | Tien, Learner | | Zheng, Michael |
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