| Argentina (2) |
|---|
| Pella, Guido | | Schwartzman, Diego |
| | Austria (1) |
|---|
| Thiem, Dominic |
| | Bulgaria (1) |
|---|
| Dimitrov, Grigor |
| | Canadá (1) |
|---|
| Auger-Aliassime, Felix |
|
| Chile (1) |
|---|
| Garin, Christian |
| | China (2) |
|---|
| Li, Zhe | | Zhang, Zhizhen |
| | Francia (3) |
|---|
| Chardy, Jeremy | | Gasquet, Richard | | Monfils, Gael |
| | Georgia (1) |
|---|
| Basilashvili, Nikoloz |
|
| Alemania (1) |
|---|
| Zverev, Alexander |
| | Grecia (1) |
|---|
| Tsitsipas, Stefano |
| | Italia (3) |
|---|
| Berrettini, Matteo | | Cecchinato, Marco | | Fognini, Fabio |
| | Kazajstán (1) |
|---|
| Kukushkin, Mikhail |
|
| Rusia (2) |
|---|
| Khachanov, Karen | | Rublev, Andrey |
| | | España (3) |
|---|
| Bautista Agut, Roberto | | Ramos-Vinolas, Albert | | Verdasco, Fernando |
| | Reino Unido (4) |
|---|
| Edmund, Kyle | | Evans, Daniel | | Murray, Andy | | Norrie, Cameron |
|
| Estados Unidos (3) |
|---|
| Isner, John | | Querrey, Sam | | Tiafoe, Frances |
| |