| Argentina (6) |
|---|
| Baez, Sebastian | | Cerundolo, Juan Manuel | | Comesana, Francisco | | Navone, Mariano | | Tirante, Thiago Agustin | | Trungelliti, Marco |
| | Australien (2) |
|---|
| Duckworth, James | | Popyrin, Alexei |
| | Belgien (1) |
|---|
| Collignon, Raphael |
| | Frankrig (5) |
|---|
| Mannarino, Adrian | | Mpetshi Perricard, Giovanni | | Rinderknech, Arthur | | Royer, Valentin | | Tabur, Clement |
|
| Grækenland (1) |
|---|
| Tsitsipas, Stefanos |
| | Italien (2) |
|---|
| Brancaccio, Raul | | Sonego, Lorenzo |
| | Kasakhstan (1) |
|---|
| Bublik, Alexander |
| | Litauen (1) |
|---|
| Butvilas, Edas |
|
| | | | Schweizisk (1) |
|---|
| Wawrinka, Stan |
|
| Storbritannien (1) |
|---|
| Norrie, Cameron |
| | USA (5) |
|---|
| Basavareddy, Nishesh | | Brooksby, Jenson | | Fritz, Taylor | | Michelsen, Alex | | Tien, Learner |
|