| Argentina (1) |
|---|
| Londero, Juan Ignacio |
| | Australien (2) |
|---|
| Popyrin, Alexei | | Thompson, Jordan |
| | Hviderusland (1) |
|---|
| Gerasimov, Egor |
| | Bulgarien (1) |
|---|
| Dimitrov, Grigor |
|
| Canada (3) |
|---|
| Auger-Aliassime, Felix | | Pospisil, Vasek | | Shapovalov, Denis |
| | Chile (1) |
|---|
| Garin, Christian |
| | | Frankrig (1) |
|---|
| Paire, Benoit |
|
| Ungarn (1) |
|---|
| Fucsovics, Marton |
| | Kasakhstan (1) |
|---|
| Bublik, Alexander |
| | Litauen (1) |
|---|
| Berankis, Ricardas |
| |
| Polen (1) |
|---|
| Majchrzak, Kamil |
| | | Serbien (1) |
|---|
| Lajovic, Dusan |
| | Sydafrika (1) |
|---|
| Harris, Lloyd |
|
| | Spanien (2) |
|---|
| Carreno Busta, Pablo | | Verdasco, Fernando |
| | | Storbritannien (2) |
|---|
| Edmund, Kyle | | Evans, Daniel |
|
| USA (3) |
|---|
| Fritz, Taylor | | Isner, John | | Klahn, Bradley |
|