| Аргентина (7) |
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| Baez, Sebastian | | Burruchaga, Roman Andres | | Cerundolo, Francisco | | Comesana, Francisco | | Etcheverry, Tomas Martin | | Navone, Mariano | | Ugo Carabelli, Camilo |
| | Австралия (6) |
|---|
| De Minaur, Alex | | Hijikata, Rinky | | O'Connell, Christopher | | Popyrin, Alexei | | Thompson, Jordan | | Vukic, Aleksandar |
| | Австрия (1) |
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| Ofner, Sebastian |
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| Босния и Герцеговина (1) |
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| Dzumhur, Damir |
| | Бразилия (2) |
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| Fonseca, Joao | | Seyboth Wild, Thiago |
| | Болгария (1) |
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| Dimitrov, Grigor |
| | Канада (3) |
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| Auger-Aliassime, Felix | | Diallo, Gabriel | | Shapovalov, Denis |
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| Чили (2) |
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| Barrios Vera, Tomas | | Jarry, Nicolas |
| | | Чехия (4) |
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| Kopriva, Vit | | Lehecka, Jiri | | Machac, Tomas | | Mensik, Jakub |
| |
| Финляндия (1) |
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| Virtanen, Otto |
| | Франция (8) |
|---|
| Fils, Arthur | | Gaston, Hugo | | Halys, Quentin | | Humbert, Ugo | | Moutet, Corentin | | Mpetshi Perricard, Giovanni | | Muller, Alexandre | | Rinderknech, Arthur |
| | Германия (2) |
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| Altmaier, Daniel | | Zverev, Alexander |
| | Греция (1) |
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| Tsitsipas, Stefanos |
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| Венгрия (1) |
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| Marozsan, Fabian |
| | Италия (13) |
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| Arnaldi, Matteo | | Bellucci, Mattia | | Berrettini, Matteo | | Cina, Federico | | Cobolli, Flavio | | Darderi, Luciano | | Fognini, Fabio | | Gigante, Matteo | | Musetti, Lorenzo | | Nardi, Luca | | Passaro, Francesco | | Sinner, Jannik | | Sonego, Lorenzo |
| | Япония (1) |
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| Nishioka, Yoshihito |
| | Казахстан (2) |
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| Bublik, Alexander | | Shevchenko, Alexander |
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| | Нидерланды (2) |
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| Griekspoor, Tallon | | Jong, Jesper de |
| | | Польша (1) |
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| Hurkacz, Hubert |
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| Borges, Nuno |
| | Россия (4) |
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| Khachanov, Karen | | Medvedev, Daniil | | Rublev, Andrey | | Safiullin, Roman |
| | Сербия (4) |
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| Djere, Laslo | | Kecmanovic, Miomir | | Lajovic, Dusan | | Medjedovic, Hamad |
| | Испания (8) |
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| Alcaraz, Carlos | | Bautista Agut, Roberto | | Carballes Baena, Roberto | | Carreno Busta, Pablo | | Davidovich Fokina, Alejandro | | Martinez, Pedro | | Munar, Jaume | | Taberner, Carlos |
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| Тайвань (1) |
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| Tseng, Chun-Hsin |
| | Великобритания (3) |
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| Draper, Jack | | Fearnley, Jacob | | Norrie, Cameron |
| | Соединенные Штаты (12) |
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| Fritz, Taylor | | Giron, Marcos | | Korda, Sebastian | | Kovacevic, Aleksandar | | Michelsen, Alex | | Moreno De Alboran, Nicolas | | Nakashima, Brandon | | Opelka, Reilly | | Paul, Tommy | | Shelton, Ben | | Tiafoe, Frances | | Tien, Learner |
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