| Argentina (2) |
|---|
| Cerundolo, Francisco | | Schwartzman, Diego |
| | Austrálie (3) |
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| De Minaur, Alex | | Duckworth, James | | Millman, John |
| | Brazílie (1) |
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| Monteiro, Thiago |
| | Chile (1) |
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| Garin, Christian |
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| | Francie (2) |
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| Humbert, Ugo | | Mannarino, Adrian |
| | Itálie (2) |
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| Sinner, Jannik | | Sonego, Lorenzo |
| | Kazachstán (1) |
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| Bublik, Alexander |
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| Španělsko (2) |
|---|
| Davidovich Fokina, Alejandro | | Martinez, Pedro |
| | Velká Británie (5) |
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| Clarke, Jay | | Draper, Jack | | Evans, Daniel | | Norrie, Cameron | | Peniston, Ryan |
| | USA (8) |
|---|
| Brooksby, Jenson | | Cressy, Maxime | | Fritz, Taylor | | Korda, Sebastian | | Nakashima, Brandon | | Opelka, Reilly | | Paul, Tommy | | Tiafoe, Frances |
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