| Argentina (1) |
|---|
| Ugo Carabelli, Camilo |
| | Australia (2) |
|---|
| O'Connell, Christopher | | Vukic, Aleksandar |
| | Austria (2) |
|---|
| Rodionov, Jurij | | Thiem, Dominic |
| | Canada (1) |
|---|
| Auger-Aliassime, Felix |
|
| | Colombia (1) |
|---|
| Galan, Daniel Elahi |
| | Repubblica Ceca (1) |
|---|
| Kopriva, Vit |
| | Danimarca (1) |
|---|
| Rune, Holger |
|
| Germania (8) |
|---|
| Hanfmann, Yannick | | Koepfer, Dominik | | Marterer, Maximilian | | Molleker, Rudolf | | Rehberg, Max Hans | | Struff, Jan-Lennard | | Topo, Marko | | Zverev, Alexander |
| | Italia (1) |
|---|
| Passaro, Francesco |
| | | Kazakistan (1) |
|---|
| Shevchenko, Alexander |
|
| Olanda (1) |
|---|
| Zandschulp, Botic van de |
| | | Spagna (1) |
|---|
| Moro Canas, Alejandro |
| | Svizzera (1) |
|---|
| Huesler, Marc-Andrea |
|
| Regno Unito (1) |
|---|
| Draper, Jack |
| | Stati Uniti (2) |
|---|
| Fritz, Taylor | | Michelsen, Alex |
|