| Argentína (3) |
|---|
| Bagnis, Facundo | | Schwartzman, Diego | | Zeballos, Horacio |
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| Baghdatis, Marcos |
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| Vesely, Jiri |
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| Chardy, Jeremy | | Mannarino, Adrian | | Robert, Stephane |
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| Haase, Robin |
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| Sitak, Artem | | Statham, Jose | | Tearney, Finn | | Venus, Michael |
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| Sousa, Joao |
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| Khachanov, Karen |
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| Bautista Agut, Roberto | | Ferrer, David | | Garcia-Lopez, Guillermo | | Lopez, Feliciano | | Ramos-Vinolas, Albert |
| | |
| Veľká Británia (1) |
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| Klein, Brydan |
| | USA (5) |
|---|
| Harrison, Ryan | | Isner, John | | Johnson, Steve | | Mmoh, Michael | | Sock, Jack |
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