| Argentina (3) |
|---|
| Baez, Sebastian | | Cerundolo, Juan Manuel | | Ugo Carabelli, Camilo |
| | Austrálie (1) |
|---|
| Duckworth, James |
| | Kanada (1) |
|---|
| Shapovalov, Denis |
| | Chile (1) |
|---|
| Tabilo, Alejandro |
|
| Čína (3) |
|---|
| Hu, Jia | | Shang, Juncheng | | Zhou, Yi |
| | Česká republika (1) |
|---|
| Kopriva, Vit |
| | Francie (3) |
|---|
| Kouame, Moise | | Mannarino, Adrian | | Muller, Alexandre |
| | Gruzie (1) |
|---|
| Basilashvili, Nikoloz |
|
| Itálie (2) |
|---|
| Cina, Federico | | Sonego, Lorenzo |
| | Japonsko (1) |
|---|
| Mochizuki, Shintaro |
| | Kazachstán (1) |
|---|
| Shevchenko, Alexander |
| | Monako (1) |
|---|
| Vacherot, Valentin |
|
| Nizozemsko (2) |
|---|
| Griekspoor, Tallon | | Zandschulp, Botic van de |
| | Polsko (1) |
|---|
| Hurkacz, Hubert |
| | Portugalsko (1) |
|---|
| Borges, Nuno |
| | Srbsko (1) |
|---|
| Kecmanovic, Miomir |
|
| Jihoafrická republika (1) |
|---|
| Harris, Lloyd |
| | Španělsko (1) |
|---|
| Davidovich Fokina, Alejandro |
| | USA (3) |
|---|
| Brooksby, Jenson | | Damm, Martin | | Kovacevic, Aleksandar |
|