| Argentina (8) |
|---|
| Bagnis, Facundo | | Cerundolo, Francisco | | Delbonis, Federico | | Diaz Acosta, Facundo | | Londero, Juan Ignacio | | Mayer, Leonardo | | Pella, Guido | | Schwartzman, Diego |
| | | Brasil (1) |
|---|
| Monteiro, Thiago |
| | Chile (1) |
|---|
| Garin, Christian |
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| | France (1) |
|---|
| Moutet, Corentin |
| | Italy (2) |
|---|
| Cecchinato, Marco | | Sonego, Lorenzo |
| |
| Portugal (2) |
|---|
| Domingues, Joao | | Sousa, Pedro |
| | Serbia (2) |
|---|
| Djere, Laslo | | Lajovic, Dusan |
| | Slovakia (3) |
|---|
| Horansky, Filip | | Kovalik, Jozef | | Martin, Andrej |
| | Spain (6) |
|---|
| Andujar, Pablo | | Carballes Baena, Roberto | | Martinez, Pedro | | Munar, Jaume | | Ramos-Vinolas, Albert | | Verdasco, Fernando |
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