| Argentina (2) |
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| Cerundolo, Francisco | | Etcheverry, Tomas Martin |
| | Australia (5) |
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| De Minaur, Alex | | Kokkinakis, Thanasi | | Popyrin, Alexei | | Purcell, Max | | Thompson, Jordan |
| | Bulgaria (1) |
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| Dimitrov, Grigor |
| | Canada (1) |
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| Auger-Aliassime, Felix |
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| | | Tsjekkisk Republikk (1) |
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| Lehecka, Jiri |
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| Finland (1) |
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| Ruusuvuori, Emil |
| | Frankrike (7) |
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| Barrere, Gregoire | | Fils, Arthur | | Gasquet, Richard | | Humbert, Ugo | | Mannarino, Adrian | | Monfils, Gael | | Moutet, Corentin |
| | Tyskland (3) |
|---|
| Altmaier, Daniel | | Hanfmann, Yannick | | Zverev, Alexander |
| | Hellas (1) |
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| Tsitsipas, Stefanos |
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| Italia (4) |
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| Berrettini, Matteo | | Musetti, Lorenzo | | Sinner, Jannik | | Sonego, Lorenzo |
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| Nishioka, Yoshihito |
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| Shevchenko, Alexander |
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| Griekspoor, Tallon |
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| | | Russland (4) |
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| Khachanov, Karen | | Medvedev, Daniil | | Rublev, Andrey | | Safiullin, Roman |
| | Serbia (3) |
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| Djokovic, Novak | | Kecmanovic, Miomir | | Lajovic, Dusan |
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| Sør-Afrika (1) |
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| Harris, Lloyd |
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| Alcaraz, Carlos | | Davidovich Fokina, Alejandro |
| | | England (3) |
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| Evans, Daniel | | Murray, Andy | | Norrie, Cameron |
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| Amerika (10) |
|---|
| Eubanks, Christopher | | Fritz, Taylor | | Isner, John | | Korda, Sebastian | | McDonald, Mackenzie | | Nakashima, Brandon | | Paul, Tommy | | Shelton, Ben | | Tiafoe, Frances | | Wolf, J.J. |
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