| l’Argentine (10) |
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| Baez, Sebastian | | Burruchaga, Roman Andres | | Cerundolo, Francisco | | Cerundolo, Juan Manuel | | Comesana, Francisco | | Etcheverry, Tomas Martin | | Navone, Mariano | | Tirante, Thiago Agustin | | Trungelliti, Marco | | Ugo Carabelli, Camilo |
| | l’Australie (3) |
|---|
| De Minaur, Alex | | Popyrin, Alexei | | Vukic, Aleksandar |
| | l’Autriche (1) |
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| Ofner, Sebastian |
| | la Belgique (2) |
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| Bergs, Zizou | | Blockx, Alexander |
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| la Bosnie et Herzegovina (1) |
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| Dzumhur, Damir |
| | le Brésil (1) |
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| Fonseca, Joao |
| | le Canada (2) |
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| Auger-Aliassime, Felix | | Shapovalov, Denis |
| | la Chile (2) |
|---|
| Garin, Christian | | Tabilo, Alejandro |
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| la Chine (1) |
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| Zhang, Zhizhen |
| | la Croatie (2) |
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| Cilic, Marin | | Prizmic, Dino |
| | la République Tchèque (5) |
|---|
| Kopriva, Vit | | Lehecka, Jiri | | Machac, Tomas | | Mensik, Jakub | | Svrcina, Dalibor |
| | la France (9) |
|---|
| Atmane, Terence | | Fils, Arthur | | Humbert, Ugo | | Mannarino, Adrian | | Moutet, Corentin | | Mpetshi Perricard, Giovanni | | Muller, Alexandre | | Rinderknech, Arthur | | Royer, Valentin |
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| la Géorgie (1) |
|---|
| Basilashvili, Nikoloz |
| | l’Allemagne (4) |
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| Altmaier, Daniel | | Hanfmann, Yannick | | Struff, Jan-Lennard | | Zverev, Alexander |
| | la Grèce (1) |
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| Tsitsipas, Stefanos |
| | l’Hongrie (2) |
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| Fucsovics, Marton | | Marozsan, Fabian |
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| l’Italie (13) |
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| Arnaldi, Matteo | | Bellucci, Mattia | | Berrettini, Matteo | | Cadenasso, Gianluca | | Cina, Federico | | Cobolli, Flavio | | Darderi, Luciano | | Maestrelli, Francesco | | Musetti, Lorenzo | | Nardi, Luca | | Pellegrino, Andrea | | Sinner, Jannik | | Sonego, Lorenzo |
| | le Kazakhstan (2) |
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| Bublik, Alexander | | Shevchenko, Alexander |
| | Monaco (1) |
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| Vacherot, Valentin |
| | les Pays-Bas (3) |
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| Griekspoor, Tallon | | Jong, Jesper de | | Zandschulp, Botic van de |
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| la Norvège (1) |
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| Ruud, Casper |
| | le Pérou (1) |
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| Buse, Ignacio |
| | la Pologne (1) |
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| Hurkacz, Hubert |
| | le Portugal (1) |
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| Borges, Nuno |
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| la Russie (3) |
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| Khachanov, Karen | | Medvedev, Daniil | | Rublev, Andrey |
| | la Servie (3) |
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| Djokovic, Novak | | Kecmanovic, Miomir | | Medjedovic, Hamad |
| | l’Espagne (8) |
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| Bautista Agut, Roberto | | Carreno Busta, Pablo | | Davidovich Fokina, Alejandro | | Jodar, Rafael | | Landaluce, Martin | | Llamas Ruiz, Pablo | | Merida, Daniel | | Munar, Jaume |
| | le Royaume-Uni (2) |
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| Fearnley, Jacob | | Norrie, Cameron |
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| les Etats-Unis (12) |
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| Brooksby, Jenson | | Giron, Marcos | | Kovacevic, Aleksandar | | Kypson, Patrick | | Michelsen, Alex | | Nakashima, Brandon | | Paul, Tommy | | Quinn, Ethan | | Shelton, Ben | | Svajda, Zachary | | Tiafoe, Frances | | Tien, Learner |
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