| Argentina (6) |
|---|
| Bagnis, Facundo | | Delbonis, Federico | | Mayer, Leonardo | | Monaco, Juan | | Schwartzman, Diego | | Zeballos, Horacio |
| | Australia (11) |
|---|
| Duckworth, James | | Ebden, Matthew | | Groth, Sam | | Hewitt, Lleyton | | Kokkinakis, Thanasi | | Kyrgios, Nick | | Matosevic, Marinko | | Millman, John | | Saville, Luke | | Smith, John-Patrick | | Tomic, Bernard |
| | Austria (2) |
|---|
| Haider-Maurer, Andreas | | Thiem, Dominic |
| | Belgio (3) |
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| Bemelmans, Ruben | | Darcis, Steve | | Goffin, David |
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| Bosnia-Erzegovina (1) |
|---|
| Dzumhur, Damir |
| | Brasile (2) |
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| Bellucci, Thomaz | | Souza, Joao |
| | Bulgaria (1) |
|---|
| Dimitrov, Grigor |
| | Canada (2) |
|---|
| Pospisil, Vasek | | Raonic, Milos |
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| Colombia (2) |
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| Falla, Alejandro | | Giraldo, Santiago |
| | Croazia (3) |
|---|
| Cilic, Marin | | Coric, Borna | | Karlovic, Ivo |
| | Cipro (1) |
|---|
| Baghdatis, Marcos |
| | Repubblica Ceca (4) |
|---|
| Berdych, Tomas | | Rosol, Lukas | | Stepanek, Radek | | Vesely, Jiri |
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| Repubblica Dominicana (1) |
|---|
| Estrella Burgos, Victor |
| | Finlandia (1) |
|---|
| Nieminen, Jarkko |
| | Francia (12) |
|---|
| Chardy, Jeremy | | De Schepper, Kenny | | Gasquet, Richard | | Herbert, Pierre-Hugues | | Mahut, Nicolas | | Mannarino, Adrian | | Millot, Vincent | | Monfils, Gael | | Paire, Benoit | | Pouille, Lucas | | Simon, Gilles | | Tsonga, Jo-Wilfried |
| | Georgia (1) |
|---|
| Basilashvili, Nikoloz |
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| Germania (8) |
|---|
| Becker, Benjamin | | Berrer, Michael | | Brown, Dustin | | Haas, Tommy | | Kohlschreiber, Philipp | | Mayer, Florian | | Struff, Jan-Lennard | | Zverev, Alexander |
| | | Italia (5) |
|---|
| Bolelli, Simone | | Fognini, Fabio | | Lorenzi, Paolo | | Seppi, Andreas | | Vanni, Luca |
| | Giappone (4) |
|---|
| Moriya, Hiroki | | Nishikori, Kei | | Soeda, Go | | Sugita, Yuichi |
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| Kazakistan (1) |
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| Kukushkin, Mikhail |
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| Gulbis, Ernests |
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| Berankis, Ricardas |
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| Muller, Gilles |
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| Haase, Robin | | Sijsling, Igor |
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| Janowicz, Jerzy |
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| Sousa, Joao |
| | Russia (2) |
|---|
| Gabashvili, Teymuraz | | Youzhny, Mikhail |
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| Serbia (5) |
|---|
| Djokovic, Novak | | Krajinovic, Filip | | Lajovic, Dusan | | Tipsarevic, Janko | | Troicki, Viktor |
| | Slovacchia (2) |
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| Klizan, Martin | | Lacko, Lukas |
| | Slovenia (3) |
|---|
| Bedene, Aljaz | | Kavcic, Blaz | | Rola, Blaz |
| | Sud Africa (1) |
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| Anderson, Kevin |
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| Corea del Sud (1) |
|---|
| Chung, Hyeon |
| | Spagna (12) |
|---|
| Almagro, Nicolas | | Andujar, Pablo | | Bautista Agut, Roberto | | Carreno Busta, Pablo | | Garcia-Lopez, Guillermo | | Gimeno-Traver, Daniel | | Granollers, Marcel | | Lopez, Feliciano | | Nadal, Rafael | | Ramos-Vinolas, Albert | | Robredo, Tommy | | Verdasco, Fernando |
| | | Svizzera (2) |
|---|
| Federer, Roger | | Wawrinka, Stan |
|
| | | | Ucraina (3) |
|---|
| Dolgopolov, Alexandr | | Nedovyesov, Aleksandr | | Stakhovsky, Sergiy |
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| Regno Unito (5) |
|---|
| Broady, Liam | | Edmund, Kyle | | Klein, Brydan | | Murray, Andy | | Ward, James |
| | Stati Uniti (7) |
|---|
| Isner, John | | Johnson, Steve | | Kudla, Denis | | Querrey, Sam | | Smyczek, Tim | | Sock, Jack | | Young, Donald |
| | | Usbechistan (1) |
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| Istomin, Denis |
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