| Argentinië (5) |
|---|
| Coria, Federico | | Delbonis, Federico | | Londero, Juan Ignacio | | Mayer, Leonardo | | Pella, Guido |
| | Oostenrijk (1) |
|---|
| Thiem, Dominic |
| | | Brazilië (3) |
|---|
| Meligeni Rodrigues Alves, Felipe | | Monteiro, Thiago | | Seyboth Wild, Thiago |
|
| Chili (1) |
|---|
| Garin, Christian |
| | | Frankrijk (1) |
|---|
| Moutet, Corentin |
| | Hongarije (1) |
|---|
| Balazs, Attila |
|
| Italië (5) |
|---|
| Caruso, Salvatore | | Cecchinato, Marco | | Gaio, Federico | | Mager, Gianluca | | Sonego, Lorenzo |
| | Noorwegen (1) |
|---|
| Ruud, Casper |
| | Portugal (2) |
|---|
| Domingues, Joao | | Sousa, Pedro |
| |
| Slowakije (1) |
|---|
| Martin, Andrej |
| | Spanje (8) |
|---|
| Alcaraz, Carlos | | Andujar, Pablo | | Carballes Baena, Roberto | | Davidovich Fokina, Alejandro | | Martinez, Pedro | | Munar, Jaume | | Ramos-Vinolas, Albert | | Verdasco, Fernando |
| |