| Аргентина (2) |
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| Mayer, Leonardo | | Schwartzman, Diego |
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| Millman, John |
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| Thiem, Dominic |
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| Dzumhur, Damir |
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| Monteiro, Thiago |
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| Gasquet, Richard | | Monfils, Gael | | Moutet, Corentin | | Paire, Benoit | | Simon, Gilles |
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| Basilashvili, Nikoloz |
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| Gojowczyk, Peter | | Kohlschreiber, Philipp | | Marterer, Maximilian | | Masur, Daniel | | Mayer, Florian | | Molleker, Rudolf | | Struff, Jan-Lennard |
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| Fucsovics, Marton |
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| Cecchinato, Marco |
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| Bedene, Aljaz |
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| Carreno Busta, Pablo | | Ferrer, David | | Ramos-Vinolas, Albert | | Verdasco, Fernando |
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| Laaksonen, Henri |
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