| l’Argentine (7) |
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| Baez, Sebastian | | Cachin, Pedro | | Cerundolo, Francisco | | Coria, Federico | | Etcheverry, Tomas Martin | | Pella, Guido | | Schwartzman, Diego |
| | l’Australie (7) |
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| De Minaur, Alex | | Hijikata, Rinky | | Kokkinakis, Thanasi | | Kubler, Jason | | Popyrin, Alexei | | Thompson, Jordan | | Vukic, Aleksandar |
| | l’Autriche (1) |
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| Thiem, Dominic |
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| le Brésil (1) |
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| Monteiro, Thiago |
| | la Bulgarie (1) |
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| Dimitrov, Grigor |
| | le Canada (2) |
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| Auger-Aliassime, Felix | | Shapovalov, Denis |
| | la Chile (2) |
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| Garin, Christian | | Tabilo, Alejandro |
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| la Chine (2) |
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| Wu, Yibing | | Zhang, Zhizhen |
| | la Colombie (1) |
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| Galan, Daniel Elahi |
| | la Croatie (2) |
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| Coric, Borna | | Gojo, Borna |
| | la République Tchèque (1) |
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| Lehecka, Jiri |
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| le Danemark (1) |
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| Rune, Holger |
| | la Finlande (1) |
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| Ruusuvuori, Emil |
| | la France (8) |
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| Barrere, Gregoire | | Gasquet, Richard | | Halys, Quentin | | Humbert, Ugo | | Lestienne, Constant | | Mannarino, Adrian | | Monfils, Gael | | Rinderknech, Arthur |
| | la Géorgie (1) |
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| Basilashvili, Nikoloz |
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| l’Allemagne (4) |
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| Marterer, Maximilian | | Otte, Oscar | | Struff, Jan-Lennard | | Zverev, Alexander |
| | la Grèce (1) |
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| Tsitsipas, Stefanos |
| | l’Hongrie (1) |
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| Fucsovics, Marton |
| | l’Italie (5) |
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| Berrettini, Matteo | | Fognini, Fabio | | Musetti, Lorenzo | | Sinner, Jannik | | Sonego, Lorenzo |
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| le Japon (2) |
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| Daniel, Taro | | Nishioka, Yoshihito |
| | le Kazakhstan (1) |
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| Bublik, Alexander |
| | la Moldavie (1) |
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| Albot, Radu |
| | les Pays-Bas (2) |
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| Griekspoor, Tallon | | Zandschulp, Botic van de |
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| la Norvège (1) |
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| Ruud, Casper |
| | la Pologne (1) |
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| Hurkacz, Hubert |
| | la Russie (4) |
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| Khachanov, Karen | | Medvedev, Daniil | | Rublev, Andrey | | Safiullin, Roman |
| | la Servie (3) |
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| Djere, Laslo | | Kecmanovic, Miomir | | Krajinovic, Filip |
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| la Slovaquie (1) |
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| Molcan, Alex |
| | l’Espagne (9) |
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| Alcaraz, Carlos | | Bautista Agut, Roberto | | Carballes Baena, Roberto | | Carreno Busta, Pablo | | Davidovich Fokina, Alejandro | | Martinez, Pedro | | Munar, Jaume | | Ramos-Vinolas, Albert | | Zapata Miralles, Bernabe |
| | | la Suisse (3) |
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| Huesler, Marc-Andrea | | Riedi, Leandro | | Wawrinka, Stan |
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| l’île de Taiwan (1) |
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| Wu, Tung-Lin |
| | le Royaume-Uni (4) |
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| Draper, Jack | | Evans, Daniel | | Murray, Andy | | Norrie, Cameron |
| | les Etats-Unis (13) |
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| Cressy, Maxime | | Fritz, Taylor | | Giron, Marcos | | Holt, Brandon | | Isner, John | | Kovacevic, Aleksandar | | McDonald, Mackenzie | | Nakashima, Brandon | | Paul, Tommy | | Shelton, Ben | | Sock, Jack | | Tiafoe, Frances | | Wolf, J.J. |
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