| Argentína (1) |
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| Baez, Sebastian |
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| Thompson, Jordan | | Vukic, Aleksandar |
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| Dzumhur, Damir |
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| Tabilo, Alejandro |
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| Machac, Tomas |
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| Humbert, Ugo |
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| Mochizuki, Shintaro | | Nishioka, Yoshihito | | Shimabukuro, Sho | | Watanuki, Yosuke |
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| | USA (8) |
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| Brooksby, Jenson | | Fritz, Taylor | | Giron, Marcos | | Korda, Sebastian | | Michelsen, Alex | | Nakashima, Brandon | | Quinn, Ethan | | Tiafoe, Frances |
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