| Argentina (2) |
|---|
| Coria, Federico | | Pella, Guido |
| | Australien (2) |
|---|
| Duckworth, James | | Millman, John |
| | Hviderusland (2) |
|---|
| Gerasimov, Egor | | Ivashka, Ilya |
| | Bosnien og Herzegovina (1) |
|---|
| Dzumhur, Damir |
|
| Kroatien (2) |
|---|
| Cilic, Marin | | Gojo, Borna |
| | Frankrig (3) |
|---|
| Bonzi, Benjamin | | Mannarino, Adrian | | Simon, Gilles |
| | Japan (1) |
|---|
| Nishioka, Yoshihito |
| | Kasakhstan (1) |
|---|
| Bublik, Alexander |
|
| Litauen (1) |
|---|
| Berankis, Ricardas |
| | Rusland (6) |
|---|
| Donskoy, Evgeny | | Kachmazov, Alibek | | Karatsev, Aslan | | Khachanov, Karen | | Rublev, Andrey | | Safiullin, Roman |
| | Serbien (3) |
|---|
| Djere, Laslo | | Kecmanovic, Miomir | | Krajinovic, Filip |
| | Spanien (1) |
|---|
| Martinez, Pedro |
|
| | Ukraine (1) |
|---|
| Marchenko, Illya |
| | USA (2) |
|---|
| McDonald, Mackenzie | | Paul, Tommy |
|