| Argentina (3) |
|---|
| Mayer, Leonardo | | Monaco, Juan | | Schwartzman, Diego |
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| Kyrgios, Nick | | Tomic, Bernard |
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| Thiem, Dominic |
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| Bellucci, Thomaz |
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| Giraldo, Santiago |
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| Berdych, Tomas | | Rosol, Lukas | | Vesely, Jiri |
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| Chardy, Jeremy | | Gasquet, Richard | | Mannarino, Adrian | | Simon, Gilles | | Tsonga, Jo-Wilfried |
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| | Italia (8) |
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| Suiza (2) |
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| Murray, Andy |
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