| Argentinien (1) |
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| Schwartzman, Diego |
| | Australien (2) |
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| De Minaur, Alex | | Popyrin, Alexei |
| | Österreich (1) |
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| Novak, Dennis |
| | Bulgarien (1) |
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| Dimitrov, Grigor |
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| Kanada (1) |
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| Auger-Aliassime, Felix |
| | Chile (1) |
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| Garin, Christian |
| | Frankreich (1) |
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| Monfils, Gael |
| | Georgien (1) |
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| Basilashvili, Nikoloz |
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| Deutschland (2) |
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| Koepfer, Dominik | | Zverev, Alexander |
| | Griechenland (1) |
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| Tsitsipas, Stefanos |
| | Ungarn (1) |
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| Fucsovics, Marton |
| | Italien (6) |
|---|
| Berrettini, Matteo | | Fognini, Fabio | | Mager, Gianluca | | Musetti, Lorenzo | | Sinner, Jannik | | Sonego, Lorenzo |
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| Litauen (1) |
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| Berankis, Ricardas |
| | | | Serbien (2) |
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| Krajinovic, Filip | | Lajovic, Dusan |
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| Südafrika (2) |
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| Anderson, Kevin | | Harris, Lloyd |
| | Spanien (2) |
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| Alcaraz, Carlos | | Carreno Busta, Pablo |
| | Groß Britannien (3) |
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| Evans, Daniel | | Murray, Andy | | Norrie, Cameron |
| | Vereinigte Staaten (2) |
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| Opelka, Reilly | | Tiafoe, Frances |
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