| Argentina (2) |
|---|
| Delbonis, Federico | | Schwartzman, Diego |
| | | Bulgaria (1) |
|---|
| Dimitrov, Grigor |
| | Canadá (2) |
|---|
| Auger-Aliassime, Felix | | Shapovalov, Denis |
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| Dinamarca (1) |
|---|
| Holmgren, August |
| | Georgia (1) |
|---|
| Basilashvili, Nikoloz |
| | Alemania (1) |
|---|
| Koepfer, Dominik |
| | Hungría (1) |
|---|
| Fucsovics, Marton |
|
| Italia (4) |
|---|
| Caruso, Salvatore | | Fognini, Fabio | | Gaio, Federico | | Sonego, Lorenzo |
| | | | Polonia (1) |
|---|
| Hurkacz, Hubert |
|
| Rusia (2) |
|---|
| Karatsev, Aslan | | Rublev, Andrey |
| | Sudáfrica (2) |
|---|
| Anderson, Kevin | | Harris, Lloyd |
| | Corea del Sur (1) |
|---|
| Kwon, Soonwoo |
| | Reino Unido (3) |
|---|
| Evans, Daniel | | Murray, Andy | | Norrie, Cameron |
|
| Estados Unidos (6) |
|---|
| Eubanks, Christopher | | Fritz, Taylor | | Korda, Sebastian | | Kudla, Denis | | Nakashima, Brandon | | Paul, Tommy |
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