| l’Argentine (6) |
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| Bagnis, Facundo | | Coria, Federico | | Delbonis, Federico | | Olivo, Renzo | | Pella, Guido | | Schwartzman, Diego |
| | l’Australie (6) |
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| De Minaur, Alex | | Duckworth, James | | Millman, John | | Popyrin, Alexei | | Thompson, Jordan | | Vukic, Aleksandar |
| | Belarus (1) |
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| Gerasimov, Egor |
| | le Brésil (1) |
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| Monteiro, Thiago |
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| la Bulgarie (1) |
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| Dimitrov, Grigor |
| | le Canada (3) |
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| Auger-Aliassime, Felix | | Pospisil, Vasek | | Shapovalov, Denis |
| | la Chile (2) |
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| Garin, Christian | | Tabilo, Alejandro |
| | la Colombie (1) |
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| Galan, Daniel Elahi |
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| le Danemark (1) |
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| Rune, Holger |
| | l’Equateur (1) |
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| Gomez, Emilio |
| | la Finlande (1) |
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| Ruusuvuori, Emil |
| | la France (3) |
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| Mannarino, Adrian | | Monfils, Gael | | Paire, Benoit |
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| la Géorgie (1) |
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| Basilashvili, Nikoloz |
| | l’Allemagne (5) |
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| Altmaier, Daniel | | Koepfer, Dominik | | Kohlschreiber, Philipp | | Struff, Jan-Lennard | | Zverev, Alexander |
| | la Grèce (1) |
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| Tsitsipas, Stefanos |
| | l’Hongrie (1) |
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| Fucsovics, Marton |
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| l’Italie (8) |
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| Berrettini, Matteo | | Caruso, Salvatore | | Fognini, Fabio | | Mager, Gianluca | | Marcora, Roberto | | Musetti, Lorenzo | | Sinner, Jannik | | Sonego, Lorenzo |
| | le Japon (3) |
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| Daniel, Taro | | Nishikori, Kei | | Nishioka, Yoshihito |
| | le Mexique (1) |
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| Escobedo, Ernesto |
| | les Pays-Bas (1) |
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| 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 |
| | le Portugal (1) |
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| Sousa, Joao |
| | la Russie (4) |
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| Karatsev, Aslan | | Khachanov, Karen | | Medvedev, Daniil | | Rublev, Andrey |
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| la Servie (4) |
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| Djere, Laslo | | Kecmanovic, Miomir | | Krajinovic, Filip | | Lajovic, Dusan |
| | l’Afrique du Sud (2) |
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| Anderson, Kevin | | Harris, Lloyd |
| | la Corée du Sud (1) |
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| Kwon, Soonwoo |
| | l’Espagne (11) |
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| Alcaraz, Carlos | | Andujar, Pablo | | Bautista Agut, Roberto | | Carballes Baena, Roberto | | Carreno Busta, Pablo | | Davidovich Fokina, Alejandro | | Lopez, Feliciano | | Martinez, Pedro | | Munar, Jaume | | Ramos-Vinolas, Albert | | Taberner, Carlos |
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| | le Royaume-Uni (3) |
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| Evans, Daniel | | Murray, Andy | | Norrie, Cameron |
| | les Etats-Unis (19) |
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| Brooksby, Jenson | | Cressy, Maxime | | Eubanks, Christopher | | Fritz, Taylor | | Giron, Marcos | | Isner, John | | Johnson, Steve | | Korda, Sebastian | | Kudla, Denis | | McDonald, Mackenzie | | Nakashima, Brandon | | Opelka, Reilly | | Paul, Tommy | | Querrey, Sam | | Sandgren, Tennys | | Sock, Jack | | Svajda, Zachary | | Tiafoe, Frances | | Wolf, J.J. |
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