| Аргентина (5) |
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| Baez, Sebastian | | Cerundolo, Francisco | | Cerundolo, Juan Manuel | | Coria, Federico | | Etcheverry, Tomas Martin |
| | Австрия (2) |
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| Misolic, Filip | | Ofner, Sebastian |
| | | Бразилия (1) |
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| Monteiro, Thiago |
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| Колумбия (1) |
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| Galan, Daniel Elahi |
| | Финляндия (1) |
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| Ruusuvuori, Emil |
| | Франция (2) |
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| Assche, Luca Van | | Couacaud, Enzo |
| | Германия (1) |
|---|
| Zverev, Alexander |
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| Италия (3) |
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| Arnaldi, Matteo | | Cecchinato, Marco | | Musetti, Lorenzo |
| | Казахстан (2) |
|---|
| Shevchenko, Alexander | | Skatov, Timofey |
| | | Россия (2) |
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| Kotov, Pavel | | Rublev, Andrey |
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| | Словакия (2) |
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| Kovalik, Jozef | | Molcan, Alex |
| | Испания (2) |
|---|
| Davidovich Fokina, Alejandro | | Zapata Miralles, Bernabe |
| | Швеция (3) |
|---|
| Borg, Leo | | Madaras, Dragos Nicolae | | Ymer, Elias |
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