| Argentina (2) |
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| Etcheverry, Tomas Martin | | Schwartzman, Diego |
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| De Minaur, Alex |
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| Dimitrov, Grigor |
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| Auger-Aliassime, Felix |
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| Humbert, Ugo |
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| Hanfmann, Yannick | | Struff, Jan-Lennard | | Zverev, Alexander |
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| Tsitsipas, Stefanos |
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| Nishioka, Yoshihito |
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| Evans, Daniel | | Murray, Andy | | Norrie, Cameron |
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| McDonald, Mackenzie | | Paul, Tommy | | Wolf, J.J. |
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