| Argentina (3) |
|---|
| Delbonis, Federico | | Monaco, Juan | | Zeballos, Horacio |
| | Australia (5) |
|---|
| Ebden, Matthew | | Groth, Samuel | | Hewitt, Lleyton | | Matosevic, Marinko | | Smith, John-Patrick |
| | Austria (1) |
|---|
| Thiem, Dominic |
| |
| Bulgaria (1) |
|---|
| Dimitrov, Grigor |
| | Canada (3) |
|---|
| Polansky, Peter | | Pospisil, Vasek | | Raonic, Milos |
| | Colombia (3) |
|---|
| Falla, Alejandro | | Giraldo, Santiago | | Gonzalez, Alejandro |
| | Croatia (3) |
|---|
| Cilic, Marin | | Dodig, Ivan | | Karlovic, Ivo |
|
| Czech Republic (4) |
|---|
| Berdych, Tomas | | Rosol, Lukas | | Stepanek, Radek | | Vesely, Jiri |
| | Finland (1) |
|---|
| Nieminen, Jarkko |
| | France (11) |
|---|
| Benneteau, Julien | | Chardy, Jeremy | | Gasquet, Richard | | Mahut, Nicolas | | Mannarino, Adrian | | Mathieu, Paul-Henri | | Monfils, Gael | | Robert, Stéphane | | Roger-Vasselin, Edouard | | Simon, Gilles | | Tsonga, Jo-Wilfried |
| | Germany (6) |
|---|
| Becker, Benjamin | | Brands, Daniel | | Haas, Tommy | | Kamke, Tobias | | Kohlschreiber, Philipp | | Mayer, Florian |
|
| | Italy (3) |
|---|
| Fognini, Fabio | | Lorenzi, Paolo | | Seppi, Andreas |
| | | Kazakhstan (2) |
|---|
| Golubev, Andrey | | Kukushkin, Mikhail |
|
| Latvia (1) |
|---|
| Gulbis, Ernests |
| | Netherlands (2) |
|---|
| Haase, Robin | | Sijsling, Igor |
| | Poland (2) |
|---|
| Janowicz, Jerzy | | Kubot, Lukasz |
| |
| Romania (1) |
|---|
| Hanescu, Victor |
| | Russia (5) |
|---|
| Bogomolov Jr., Alex | | Davydenko, Nikolay | | Donskoy, Evgeny | | Gabashvili, Teymuraz | | Tursunov, Dmitry |
| | Serbia (2) |
|---|
| Djokovic, Novak | | Lajovic, Dusan |
| | South Africa (1) |
|---|
| Anderson, Kevin |
|
| Spain (9) |
|---|
| Andujar, Pablo | | Bautista Agut, Roberto | | Carreño Busta, Pablo | | Gimeno-Traver, Daniel | | Lopez, Feliciano | | Munoz-De La Nava, Daniel | | Nadal, Rafael | | Robredo, Tommy | | Verdasco, Fernando |
| | Switzerland (2) |
|---|
| Federer, Roger | | Wawrinka, Stan |
| | | Ukraine (3) |
|---|
| Dolgopolov, Alexandr | | Nedovyesov, Aleksandr | | Stakhovsky, Sergiy |
|
| United Kingdom (2) |
|---|
| Murray, Andy | | Ward, James |
| | United States (14) |
|---|
| Ginepri, Robby | | Harrison, Ryan | | Isner, John | | Johnson, Steve | | Klahn, Bradley | | Kosakowski, Daniel | | Kuznetsov, Alex | | Querrey, Sam | | Ram, Rajeev | | Russell, Michael | | Smyczek, Tim | | Sock, Jack | | Williams, Rhyne | | Young, Donald |
| | Uzbekistan (1) |
|---|
| Istomin, Denis |
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