| Argentina (2) |
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| Pella, Guido | | Schwartzman, Diego |
| | Australia (2) |
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| De Minaur, Alex | | Thompson, Jordan |
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| Gerasimov, Egor | | Ivashka, Ilya |
| |
| Brasil (1) |
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| Monteiro, Thiago |
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| Auger-Aliassime, Felix | | Shapovalov, Denis |
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| Garin, Christian |
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| Rune, Holger Vitus Nodskov |
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| Chardy, Jeremy | | Gasquet, Richard | | Herbert, Pierre-Hugues | | Mannarino, Adrian | | Moutet, Corentin | | Paire, Benoit | | Simon, Gilles | | Tsonga, Jo-Wilfried |
| | Georgia (1) |
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| Basilashvili, Nikoloz |
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| Koepfer, Dominik |
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| Tsitsipas, Stefanos |
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| Caruso, Salvatore | | Fognini, Fabio | | Gaio, Federico | | Musetti, Lorenzo | | Sinner, Jannik |
| | | Kazakhstan (1) |
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| Bublik, Alexander |
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| Griekspoor, Tallon |
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| Khachanov, Karen | | Kuznetsov, Andrey | | Rublev, Andrey |
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| Alcaraz, Carlos | | Andujar, Pablo | | Bautista Agut, Roberto | | Carreno Busta, Pablo | | Davidovich Fokina, Alejandro | | Lopez, Feliciano | | Munar, Jaume | | Nadal, Rafael | | Ramos-Vinolas, Albert | | Zapata Miralles, Bernabe |
| | England (2) |
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| Evans, Daniel | | Norrie, Cameron |
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| Amerika (1) |
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| Tiafoe, Frances |
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