| Argentinië (9) |
|---|
| Baez, Sebastian | | Cerundolo, Francisco | | Comesana, Francisco | | Coria, Federico | | Diaz Acosta, Facundo | | Etcheverry, Tomas Martin | | Navone, Mariano | | Schwartzman, Diego | | Ugo Carabelli, Camilo |
| | Australië (12) |
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| De Minaur, Alex | | Duckworth, James | | Hijikata, Rinky | | Kokkinakis, Thanasi | | O'Connell, Christopher | | Popyrin, Alexei | | Purcell, Max | | Schoolkate, Tristan | | Thompson, Jordan | | Tu, Li | | Vukic, Aleksandar | | Walton, Adam |
| | Oostenrijk (2) |
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| Ofner, Sebastian | | Thiem, Dominic |
| | België (2) |
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| Bergs, Zizou | | Goffin, David |
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| Brazilië (2) |
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| Monteiro, Thiago | | Seyboth Wild, Thiago |
| | Bulgarije (1) |
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| Dimitrov, Grigor |
| | Canada (3) |
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| Auger-Aliassime, Felix | | Diallo, Gabriel | | Shapovalov, Denis |
| | Chili (2) |
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| Jarry, Nicolas | | Tabilo, Alejandro |
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| China (3) |
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| Bu, Yunchaokete | | Shang, Juncheng | | Zhang, Zhizhen |
| | | Tsjechië (3) |
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| Lehecka, Jiri | | Machac, Tomas | | Mensik, Jakub |
| | Denemarken (1) |
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| Rune, Holger |
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| Finland (1) |
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| Virtanen, Otto |
| | Frankrijk (14) |
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| Cazaux, Arthur | | Fils, Arthur | | Gaston, Hugo | | Grenier, Hugo | | Halys, Quentin | | Humbert, Ugo | | Jacquet, Kyrian | | Lestienne, Constant | | Mannarino, Adrian | | Monfils, Gael | | Moutet, Corentin | | Mpetshi Perricard, Giovanni | | Muller, Alexandre | | Rinderknech, Arthur |
| | Duitsland (5) |
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| Altmaier, Daniel | | Koepfer, Dominik | | Marterer, Maximilian | | Struff, Jan-Lennard | | Zverev, Alexander |
| | Griekenland (1) |
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| Tsitsipas, Stefanos |
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| Hongarije (2) |
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| Fucsovics, Marton | | Marozsan, Fabian |
| | | Italië (10) |
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| Arnaldi, Matteo | | Bellucci, Mattia | | Berrettini, Matteo | | Cobolli, Flavio | | Darderi, Luciano | | Fognini, Fabio | | Musetti, Lorenzo | | Nardi, Luca | | Sinner, Jannik | | Sonego, Lorenzo |
| | Japan (2) |
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| Daniel, Taro | | Nishioka, Yoshihito |
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| Kazachstan (3) |
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| Bublik, Alexander | | Shevchenko, Alexander | | Skatov, Timofey |
| | | Nederland (2) |
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| Griekspoor, Tallon | | Zandschulp, Botic van de |
| | Noorwegen (1) |
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| Ruud, Casper |
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| Polen (2) |
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| Hurkacz, Hubert | | Kasnikowski, Maks |
| | | Rusland (5) |
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| Khachanov, Karen | | Kotov, Pavel | | Medvedev, Daniil | | Rublev, Andrey | | Safiullin, Roman |
| | Servië (5) |
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| Djere, Laslo | | Djokovic, Novak | | Kecmanovic, Miomir | | Lajovic, Dusan | | Medjedovic, Hamad |
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| Zuid-Korea (1) |
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| Kwon, Soonwoo |
| | Spanje (8) |
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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 |
| | Zwitserland (2) |
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| Stricker, Dominic | | Wawrinka, Stan |
| | Verenigd Koninkrijk (3) |
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| Choinski, Jan | | Draper, Jack | | Evans, Daniel |
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| Verenigde Staten (17) |
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| Eubanks, Christopher | | Forbes, Matthew | | Fritz, Taylor | | Giron, Marcos | | Korda, Sebastian | | Kovacevic, Aleksandar | | Krueger, Mitchell | | McDonald, Mackenzie | | Michelsen, Alex | | Nakashima, Brandon | | Opelka, Reilly | | Paul, Tommy | | Shelton, Ben | | Spizzirri, Eliot | | Svajda, Zachary | | Tiafoe, Frances | | Tien, Learner |
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