| Argentina (1) |
|---|
| Londero, Juan Ignacio |
| | Australien (1) |
|---|
| Thompson, Jordan |
| | Canada (1) |
|---|
| Shapovalov, Denis |
| | Chile (1) |
|---|
| Garin, Christian |
|
| | Frankrig (6) |
|---|
| Chardy, Jeremy | | Gasquet, Richard | | Herbert, Pierre-Hugues | | Humbert, Ugo | | Moutet, Corentin | | Simon, Gilles |
| | Italien (1) |
|---|
| Cecchinato, Marco |
| |
| Kasakhstan (1) |
|---|
| Bublik, Alexander |
| | Portugal (2) |
|---|
| Borges, Nuno | | Sousa, Joao |
| | Sydafrika (2) |
|---|
| Anderson, Kevin | | Harris, Lloyd |
| | Spanien (8) |
|---|
| Alcaraz, Carlos | | Andujar, Pablo | | Carballes Baena, Roberto | | Davidovich Fokina, Alejandro | | Martinez, Pedro | | Munar, Jaume | | Ramos-Vinolas, Albert | | Verdasco, Fernando |
|
| Storbritannien (1) |
|---|
| Norrie, Cameron |
| | USA (2) |
|---|
| Giron, Marcos | | Tiafoe, Frances |
|