| Argentina (4) |
|---|
| Berlocq, Carlos | | Delbonis, Federico | | Olivo, Renzo | | Schwartzman, Diego |
| | Australien (1) |
|---|
| Tomic, Bernard |
| | | Belgien (2) |
|---|
| Darcis, Steve | | Goffin, David |
|
| Bosnien og Herzegovina (1) |
|---|
| Dzumhur, Damir |
| | Bulgarien (1) |
|---|
| Dimitrov, Grigor |
| | Kroatien (2) |
|---|
| Cilic, Marin | | Coric, Borna |
| | Tjekkiet (2) |
|---|
| Berdych, Tomas | | Vesely, Jiri |
|
| Frankrig (8) |
|---|
| Chardy, Jeremy | | Herbert, Pierre-Hugues | | Mahut, Nicolas | | Mannarino, Adrian | | Paire, Benoit | | Pouille, Lucas | | Simon, Gilles | | Tsonga, Jo-Wilfried |
| | Georgien (1) |
|---|
| Basilashvili, Nikoloz |
| | Tyskland (6) |
|---|
| Haas, Tommy | | Kohlschreiber, Philipp | | Mayer, Florian | | Struff, Jan-Lennard | | Zverev, Alexander | | Zverev, Mischa |
| | Italien (3) |
|---|
| Fognini, Fabio | | Lorenzi, Paolo | | Seppi, Andreas |
|
| Luxembourg (1) |
|---|
| Muller, Gilles |
| | | |
| Rusland (3) |
|---|
| Khachanov, Karen | | Kuznetsov, Andrey | | Medvedev, Daniil |
| | Serbien (2) |
|---|
| Djokovic, Novak | | Troicki, Viktor |
| | Slovakiet (1) |
|---|
| Klizan, Martin |
| | Spanien (9) |
|---|
| Almagro, Nicolas | | Bautista Agut, Roberto | | Carreno Busta, Pablo | | Garcia-Lopez, Guillermo | | Granollers, Marcel | | Lopez, Feliciano | | Nadal, Rafael | | Ramos-Vinolas, Albert | | Robredo, Tommy |
|
| Schweizisk (1) |
|---|
| Wawrinka, Stan |
| | Tunesien (1) |
|---|
| Jaziri, Malek |
| | Storbritannien (3) |
|---|
| Edmund, Kyle | | Evans, Daniel | | Murray, Andy |
| |
|