| Argentina (6) |
|---|
| Delbonis, Federico | | Mayer, Leonardo | | Olivo, Renzo | | Pella, Guido | | Schwartzman, Diego | | Trungelliti, Marco |
| | Australia (9) |
|---|
| Duckworth, James | | Ebden, Matthew | | Groth, Sam | | Hewitt, Lleyton | | Jasika, Omar | | Kyrgios, Nick | | Millman, John | | Thompson, Jordan | | Tomic, Bernard |
| | Austria (1) |
|---|
| Thiem, Dominic |
| | Belgium (2) |
|---|
| Darcis, Steve | | Goffin, David |
|
| Bosnia-Herzegovina (2) |
|---|
| Basic, Mirza | | Dzumhur, Damir |
| | Brazil (1) |
|---|
| Bellucci, Thomaz |
| | Bulgaria (1) |
|---|
| Dimitrov, Grigor |
| | Canada (2) |
|---|
| Pospisil, Vasek | | Raonic, Milos |
|
| | Colombia (1) |
|---|
| Giraldo, Santiago |
| | Croatia (4) |
|---|
| Cilic, Marin | | Coric, Borna | | Dodig, Ivan | | Karlovic, Ivo |
| | Cyprus (1) |
|---|
| Baghdatis, Marcos |
|
| Czech Republic (4) |
|---|
| Berdych, Tomas | | Rosol, Lukas | | Stepanek, Radek | | Vesely, Jiri |
| | Dominican Republic (1) |
|---|
| Estrella Burgos, Victor |
| | France (13) |
|---|
| Benneteau, Julien | | Chardy, Jeremy | | Halys, Quentin | | Herbert, Pierre-Hugues | | Mahut, Nicolas | | Mannarino, Adrian | | Mathieu, Paul-Henri | | Monfils, Gael | | Paire, Benoit | | Pouille, Lucas | | Robert, Stephane | | Simon, Gilles | | Tsonga, Jo-Wilfried |
| | Georgia (1) |
|---|
| Basilashvili, Nikoloz |
|
| Germany (5) |
|---|
| Becker, Benjamin | | Brands, Daniel | | Gojowczyk, Peter | | Kohlschreiber, Philipp | | Zverev, Alexander |
| | | | Italy (5) |
|---|
| Bolelli, Simone | | Cecchinato, Marco | | Fognini, Fabio | | Lorenzi, Paolo | | Seppi, Andreas |
|
| Japan (5) |
|---|
| Daniel, Taro | | Ito, Tatsuma | | Nishikori, Kei | | Nishioka, Yoshihito | | Sugita, Yuichi |
| | Kazakhstan (1) |
|---|
| Kukushkin, Mikhail |
| | Latvia (1) |
|---|
| Gulbis, Ernests |
| | Lithuania (1) |
|---|
| Berankis, Ricardas |
|
| Luxembourg (1) |
|---|
| Muller, Gilles |
| | Netherlands (2) |
|---|
| Bakker, Thiemo de | | Haase, Robin |
| | Poland (1) |
|---|
| Janowicz, Jerzy |
| |
| Russia (4) |
|---|
| Donskoy, Evgeny | | Gabashvili, Teymuraz | | Kuznetsov, Andrey | | Tursunov, Dmitry |
| | Serbia (4) |
|---|
| Djokovic, Novak | | Krajinovic, Filip | | Lajovic, Dusan | | Troicki, Viktor |
| | Slovakia (2) |
|---|
| Klizan, Martin | | Kovalik, Jozef |
| | Slovenia (1) |
|---|
| Bedene, Aljaz |
|
| South Africa (1) |
|---|
| Anderson, Kevin |
| | South Korea (1) |
|---|
| Chung, Hyeon |
| | Spain (15) |
|---|
| Almagro, Nicolas | | Andujar, Pablo | | Bautista Agut, Roberto | | Carreno Busta, Pablo | | Cervantes, Inigo | | Ferrer, David | | Garcia-Lopez, Guillermo | | Gimeno-Traver, Daniel | | Granollers, Marcel | | Lopez, Feliciano | | Muñoz de la Nava, Daniel | | Nadal, Rafael | | Ramos-Vinolas, Albert | | Robredo, Tommy | | Verdasco, Fernando |
| | Switzerland (2) |
|---|
| Federer, Roger | | Wawrinka, Stan |
|
| | Ukraine (3) |
|---|
| Dolgopolov, Alexandr | | Marchenko, Illya | | Stakhovsky, Sergiy |
| | United Kingdom (3) |
|---|
| Edmund, Kyle | | Evans, Daniel | | Murray, Andy |
| | United States (14) |
|---|
| Baker, Brian | | Fratangelo, Bjorn | | Fritz, Taylor | | Harrison, Ryan | | Isner, John | | Johnson, Steve | | Krajicek, Austin | | Kudla, Denis | | Querrey, Sam | | Ram, Rajeev | | Rubin, Noah | | Smyczek, Tim | | Sock, Jack | | Young, Donald |
|
| | Uzbekistan (1) |
|---|
| Istomin, Denis |
|