| Argentina (2) |
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| Coria, Federico | | Pella, Guido |
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| Millman, John | | Popyrin, Alexei |
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| Monteiro, Thiago |
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| Galan, Daniel Elahi |
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| Basilashvili, Nikoloz |
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| Hanfmann, Yannick | | Koepfer, Dominik | | Kohlschreiber, Philipp | | Marterer, Maximilian | | Stebe, Cedrik-Marcel | | Struff, Jan-Lennard | | Zverev, Alexander |
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| Berankis, Ricardas |
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