| Argentina (2) |
|---|
| Pella, Guido | | Schwartzman, Diego |
| | Australien (2) |
|---|
| De Minaur, Alex | | Thompson, Jordan |
| | Hviderusland (2) |
|---|
| Gerasimov, Egor | | Ivashka, Ilya |
| |
| Brasilien (1) |
|---|
| Monteiro, Thiago |
| | Canada (2) |
|---|
| Auger-Aliassime, Felix | | Shapovalov, Denis |
| | Chile (1) |
|---|
| Garin, Christian |
| | Danmark (1) |
|---|
| Rune, Holger Vitus Nodskov |
|
| Frankrig (8) |
|---|
| Chardy, Jeremy | | Gasquet, Richard | | Herbert, Pierre-Hugues | | Mannarino, Adrian | | Moutet, Corentin | | Paire, Benoit | | Simon, Gilles | | Tsonga, Jo-Wilfried |
| | Georgien (1) |
|---|
| Basilashvili, Nikoloz |
| | Tyskland (1) |
|---|
| Koepfer, Dominik |
| | Grækenland (1) |
|---|
| Tsitsipas, Stefanos |
|
| | Italien (5) |
|---|
| Caruso, Salvatore | | Fognini, Fabio | | Gaio, Federico | | Musetti, Lorenzo | | Sinner, Jannik |
| | | Kasakhstan (1) |
|---|
| Bublik, Alexander |
|
| Holland (1) |
|---|
| Griekspoor, Tallon |
| | Rusland (3) |
|---|
| Khachanov, Karen | | Kuznetsov, Andrey | | Rublev, Andrey |
| | Spanien (10) |
|---|
| Alcaraz, Carlos | | Andujar, Pablo | | Bautista Agut, Roberto | | Carreno Busta, Pablo | | Davidovich Fokina, Alejandro | | Lopez, Feliciano | | Munar, Jaume | | Nadal, Rafael | | Ramos-Vinolas, Albert | | Zapata Miralles, Bernabe |
| | Storbritannien (2) |
|---|
| Evans, Daniel | | Norrie, Cameron |
|
|