| Argentina (3) |
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| Baez, Sebastian | | Cerundolo, Juan Manuel | | Ugo Carabelli, Camilo |
| | Australia (1) |
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| Duckworth, James |
| | Canada (1) |
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| Shapovalov, Denis |
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| Tabilo, Alejandro |
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| China (3) |
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| Hu, Jia | | Shang, Juncheng | | Zhou, Yi |
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| Kopriva, Vit |
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| Kouame, Moise | | Mannarino, Adrian | | Muller, Alexandre |
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| Basilashvili, Nikoloz |
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| Cina, Federico | | Sonego, Lorenzo |
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| Kecmanovic, Miomir |
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| Brooksby, Jenson | | Damm, Martin | | Kovacevic, Aleksandar |
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