| Argentina (2) |
|---|
| Schwartzman, Diego | | Zeballos, Horacio |
| | Australien (1) |
|---|
| Tomic, Bernard |
| | Brasilien (1) |
|---|
| Bellucci, Thomaz |
| | Canada (1) |
|---|
| Pospisil, Vasek |
|
| Kroatien (1) |
|---|
| Skugor, Franko |
| | | Frankrig (4) |
|---|
| Chardy, Jeremy | | Gasquet, Richard | | Mahut, Nicolas | | Monfils, Gael |
| | Tyskland (1) |
|---|
| Zverev, Mischa |
|
| Italien (1) |
|---|
| Fabbiano, Thomas |
| | | Rusland (1) |
|---|
| Medvedev, Daniil |
| | Serbien (2) |
|---|
| Djokovic, Novak | | Lajovic, Dusan |
|
| Slovakiet (1) |
|---|
| Gombos, Norbert |
| | Sydafrika (1) |
|---|
| Anderson, Kevin |
| | Storbritannien (2) |
|---|
| Edmund, Kyle | | Norrie, Cameron |
| | USA (7) |
|---|
| Donaldson, Jared | | Harrison, Ryan | | Isner, John | | Johnson, Steve | | Querrey, Sam | | Tiafoe, Frances | | Young, Donald |
|