| Argentina (2) |
|---|
| Monaco, Juan | | Schwartzman, Diego |
| | Australia (1) |
|---|
| Tomic, Bernard |
| | Austria (2) |
|---|
| Haider-Maurer, Andreas | | Thiem, Dominic |
| |
| Bulgaria (1) |
|---|
| Dimitrov, Grigor |
| | | Croatia (2) |
|---|
| Cilic, Marin | | Coric, Borna |
| | Czech Republic (3) |
|---|
| Berdych, Tomas | | Rosol, Lukas | | Vesely, Jiri |
|
| Dominican Republic (1) |
|---|
| Estrella Burgos, Victor |
| | France (8) |
|---|
| Chardy, Jeremy | | Mannarino, Adrian | | Monfils, Gael | | Paire, Benoit | | Pouille, Lucas | | Roger-Vasselin, Edouard | | Simon, Gilles | | Tsonga, Jo-Wilfried |
| | Germany (4) |
|---|
| Becker, Benjamin | | Kohlschreiber, Philipp | | Mayer, Florian | | Struff, Jan-Lennard |
| | Italy (3) |
|---|
| Bolelli, Simone | | Fognini, Fabio | | Seppi, Andreas |
|
| Kazakhstan (1) |
|---|
| Kukushkin, Mikhail |
| | Latvia (1) |
|---|
| Gulbis, Ernests |
| | Monaco (1) |
|---|
| Balleret, Benjamin |
| | Netherlands (1) |
|---|
| Haase, Robin |
|
| Poland (1) |
|---|
| Janowicz, Jerzy |
| | | Russia (2) |
|---|
| Kuznetsov, Andrey | | Youzhny, Mikhail |
| | Serbia (2) |
|---|
| Djokovic, Novak | | Troicki, Viktor |
|
| Slovakia (2) |
|---|
| Gombos, Norbert | | Klizan, Martin |
| | Spain (8) |
|---|
| Bautista Agut, Roberto | | Carreno Busta, Pablo | | Ferrer, David | | Granollers, Marcel | | Nadal, Rafael | | Ramos-Vinolas, Albert | | Robredo, Tommy | | Verdasco, Fernando |
| | Switzerland (2) |
|---|
| Federer, Roger | | Wawrinka, Stan |
| | Ukraine (2) |
|---|
| Dolgopolov, Alexandr | | Stakhovsky, Sergiy |
|
| United States (3) |
|---|
| Isner, John | | Johnson, Steve | | Kudla, Denis |
|