| Argentyna (3) |
|---|
| Londero, Juan Ignacio | | Pella, Guido | | Schwartzman, Diego |
| | Brazil (1) |
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| Monteiro, Thiago |
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| Garin, Christian |
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| Humbert, Ugo | | Paire, Benoit |
|
| Niemcy (7) |
|---|
| Kohlschreiber, Philipp | | Maden, Yannick | | Marterer, Maximilian | | Molleker, Rudolf | | Struff, Jan-Lennard | | Zverev, Alexander | | Zverev, Mischa |
| | Węgry (1) |
|---|
| Fucsovics, Marton |
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|---|
| Berrettini, Matteo | | Cecchinato, Marco | | Seppi, Andreas | | Sonego, Lorenzo |
| |
| | | Rosja (1) |
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| Khachanov, Karen |
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| Klizan, Martin |
|
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| Bautista Agut, Roberto |
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| Edmund, Kyle |
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| Kudla, Denis |
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| Istomin, Denis |
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