| Argentyna (3) |
|---|
| Baez, Sebastian | | Cerundolo, Francisco | | Etcheverry, Tomas Martin |
| | Australia (1) |
|---|
| Duckworth, James |
| | | Kanada (2) |
|---|
| Auger-Aliassime, Felix | | Shapovalov, Denis |
|
| Chile (2) |
|---|
| Jarry, Nicolas | | Tabilo, Alejandro |
| | | Chorwacja (1) |
|---|
| Cilic, Marin |
| | Republika Czeska (1) |
|---|
| Lehecka, Jiri |
|
| | Francja (4) |
|---|
| Fils, Arthur | | Humbert, Ugo | | Mannarino, Adrian | | Mpetshi Perricard, Giovanni |
| | Niemcy (1) |
|---|
| Altmaier, Daniel |
| | Grecja (1) |
|---|
| Tsitsipas, Stefanos |
|
| Włochy (1) |
|---|
| Arnaldi, Matteo |
| | Kazachstan (1) |
|---|
| Bublik, Alexander |
| | Holandia (2) |
|---|
| Griekspoor, Tallon | | Zandschulp, Botic van de |
| |
| Portugalia (1) |
|---|
| Borges, Nuno |
| | | Hiszpania (2) |
|---|
| Bautista Agut, Roberto | | Martinez, Pedro |
| | Switzerland (3) |
|---|
| Kym, Jerome | | Stricker, Dominic | | Wawrinka, Stan |
|
| Stany Zjednoczone (1) |
|---|
| Shelton, Ben |
|