| Argentina (1) |
|---|
| Pella, Guido |
| | Austria (1) |
|---|
| Thiem, Dominic |
| | | Bulgaria (1) |
|---|
| Dimitrov, Grigor |
|
| | Croatia (2) |
|---|
| Cilic, Marin | | Karlovic, Ivo |
| | Cyprus (1) |
|---|
| Baghdatis, Marcos |
| | Czech Republic (1) |
|---|
| Berdych, Tomas |
|
| France (11) |
|---|
| Benneteau, Julien | | Gasquet, Richard | | Herbert, Pierre-Hugues | | Mahut, Nicolas | | Mannarino, Adrian | | Mathieu, Paul-Henri | | Paire, Benoit | | Pouille, Lucas | | Robert, Stephane | | Simon, Gilles | | Tsonga, Jo-Wilfried |
| | Germany (3) |
|---|
| Kohlschreiber, Philipp | | Struff, Jan-Lennard | | Zverev, Mischa |
| | Italy (3) |
|---|
| Fognini, Fabio | | Lorenzi, Paolo | | Seppi, Andreas |
| |
| Luxembourg (1) |
|---|
| Muller, Gilles |
| | Netherlands (1) |
|---|
| Haase, Robin |
| | | Serbia (3) |
|---|
| Djokovic, Novak | | Lajovic, Dusan | | Troicki, Viktor |
|
| Slovakia (1) |
|---|
| Klizan, Martin |
| | Spain (7) |
|---|
| Almagro, Nicolas | | Bautista Agut, Roberto | | Carreno Busta, Pablo | | Ferrer, David | | Lopez, Feliciano | | Ramos-Vinolas, Albert | | Verdasco, Fernando |
| | Switzerland (1) |
|---|
| Wawrinka, Stan |
| | Ukraine (1) |
|---|
| Marchenko, Illya |
|
| United Kingdom (1) |
|---|
| Murray, Andy |
| | United States (3) |
|---|
| Isner, John | | Johnson, Steve | | Sock, Jack |
| |