| Argentina (16) |
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| Alund, Martin | | Andreozzi, Guido | | Arguello, Facundo | | Bagnis, Facundo | | Berlocq, Carlos | | Del Potro, Juan Martin | | Delbonis, Federico | | Mayer, Leonardo | | Monaco, Juan | | Nalbandian, David | | Pella, Guido | | Schwank, Eduardo | | Schwartzman, Diego | | Trungelliti, Marco | | Velotti, Agustin | | Zeballos, Horacio |
| | Austrália (12) |
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| Duckworth, James | | Ebden, Matthew | | Groth, Sam | | Hewitt, Lleyton | | Jones, Greg | | Kyrgios, Nick | | Matosevic, Marinko | | Millman, John | | Mitchell, Ben | | Saville, Luke | | Smith, John-Patrick | | Tomic, Bernard |
| | Áustria (4) |
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| Fischer, Martin | | Haider-Maurer, Andreas | | Melzer, Jurgen | | Thiem, Dominic |
| | Bielorrússia (1) |
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| Ignatik, Uladzimir |
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| Bélgica (7) |
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| Authom, Maxime | | Bemelmans, Ruben | | Darcis, Steve | | Goffin, David | | Malisse, Xavier | | Mertens, Yannick | | Rochus, Olivier |
| | Bósnia Herzegovina (1) |
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| Basic, Mirza |
| | Brasil (5) |
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| Alves, Thiago | | Bellucci, Thomaz | | Dutra Silva, Rogerio | | Mello, Ricardo | | Souza, Joao |
| | Bulgária (1) |
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| Dimitrov, Grigor |
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| Canadá (6) |
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| Dancevic, Frank | | Levine, Jesse | | Peliwo, Filip | | Polansky, Peter | | Pospisil, Vasek | | Raonic, Milos |
| | Chile (1) |
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| Capdeville, Paul |
| | China (3) |
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| Gong, Mao-Xin | | Wu, Di | | Zhang, Ze |
| | Colômbia (4) |
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| Cabal, Juan Sebastian | | Falla, Alejandro | | Farah, Robert | | Giraldo, Santiago |
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| Croácia (4) |
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| Cilic, Marin | | Dodig, Ivan | | Karlovic, Ivo | | Veic, Antonio |
| | Chipre (1) |
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| Baghdatis, Marcos |
| | República Checa (7) |
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| Berdych, Tomas | | Hajek, Jan | | Hernych, Jan | | Mertl, Jan | | Minar, Ivo | | Rosol, Lukas | | Stepanek, Radek |
| | Dinamarca (1) |
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| Nielsen, Frederik |
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| | Finlândia (1) |
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| Nieminen, Jarkko |
| | França (22) |
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| Benneteau, Julien | | Chardy, Jeremy | | Dasnieres de Veigy, Jonathan | | De Schepper, Kenny | | Devilder, Nicolas | | Gasquet, Richard | | Gicquel, Marc | | Herbert, Pierre-Hugues | | Llodra, Michael | | Mahut, Nicolas | | Mannarino, Adrian | | Mathieu, Paul-Henri | | Monfils, Gael | | Olivetti, Albano | | Ouanna, Josselin | | Paire, Benoit | | Pouille, Lucas | | Roger-Vasselin, Edouard | | Rufin, Guillaume | | Serra, Florent | | Simon, Gilles | | Tsonga, Jo-Wilfried |
| | Alemanha (20) |
|---|
| Bachinger, Matthias | | Beck, Andreas | | Becker, Benjamin | | Berrer, Michael | | Brands, Daniel | | Brown, Dustin | | Gojowczyk, Peter | | Greul, Simon | | Haas, Tommy | | Kamke, Tobias | | Kohlschreiber, Philipp | | Mayer, Florian | | Meffert, Dominik | | Petzschner, Philipp | | Phau, Bjorn | | Reister, Julian | | Stebe, Cedrik-Marcel | | Struff, Jan-Lennard | | Zverev, Alexander | | Zverev, Mischa |
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| Índia (5) |
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| Amritraj, Prakash | | Bhambri, Yuki | | Bopanna, Rohan | | Devvarman, Somdev | | Vardhan, Vishnu |
| | Israel (2) |
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| Sela, Dudi | | Weintraub, Amir |
| | Itália (11) |
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| Bolelli, Simone | | Cipolla, Flavio | | Fognini, Fabio | | Ghedin, Riccardo | | Giannessi, Alessandro | | Lorenzi, Paolo | | Naso, Gianluca | | Seppi, Andreas | | Starace, Potito | | Viola, Matteo | | Volandri, Filippo |
| | Japão (5) |
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| Ito, Tatsuma | | Moriya, Hiroki | | Nishikori, Kei | | Soeda, Go | | Sugita, Yuichi |
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| Cazaquistão (2) |
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| Golubev, Andrey | | Kukushkin, Mikhail |
| | Letónia (1) |
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| Gulbis, Ernests |
| | Lituânia (1) |
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| Berankis, Ricardas |
| | Luxemburgo (1) |
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| Muller, Gilles |
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| México (4) |
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| Garza, Daniel | | Gonzalez, Santiago | | Ramirez, Cesar | | Reyes-Varela, Miguel Angel |
| | Mônaco (1) |
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| Balleret, Benjamin |
| | Holanda (4) |
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| Bakker, Thiemo de | | Haase, Robin | | Huta Galung, Jesse | | Sijsling, Igor |
| | Nova Zelândia (2) |
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| King-Turner, Daniel | | Venus, Michael |
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| Polónia (3) |
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| Janowicz, Jerzy | | Kubot, Lukasz | | Przysiezny, Michal |
| | Portugal (4) |
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| Elias, Gastao | | Gil, Frederico | | Machado, Rui | | Sousa, Joao |
| | Roménia (3) |
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| Copil, Marius | | Hanescu, Victor | | Ungur, Adrian |
| | Rússia (9) |
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| Andreev, Igor | | Bogomolov Jr., Alex | | Davydenko, Nikolay | | Donskoy, Evgeny | | Gabashvili, Teymuraz | | Kunitsyn, Igor | | Kuznetsov, Andrey | | Tursunov, Dmitry | | Youzhny, Mikhail |
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| Sérvia (8) |
|---|
| Bozoljac, Ilija | | Djere, Laslo | | Djokovic, Novak | | Krajinovic, Filip | | Lajovic, Dusan | | Pashanski, Boris | | Tipsarevic, Janko | | Troicki, Viktor |
| | Eslováquia (5) |
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| Beck, Karol | | Klec, Ivo | | Klizan, Martin | | Lacko, Lukas | | Martin, Andrej |
| | Eslovénia (3) |
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| Bedene, Aljaz | | Kavcic, Blaz | | Zemlja, Grega |
| | África do Sul (2) |
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| Anderson, Kevin | | De Voest, Rik |
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| Coreia do Sul (2) |
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| Chung, Hyeon | | Jeong, Suk-Young |
| | Espanha (26) |
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| Almagro, Nicolas | | Andujar, Pablo | | Bautista Agut, Roberto | | Brugues-Davi, Arnau | | Carballés Baena, Roberto | | Carreno Busta, Pablo | | Cervantes, Iñigo | | Ferrer, David | | Garcia-Lopez, Guillermo | | Gimeno-Traver, Daniel | | Granollers, Marcel | | Granollers-Pujol, Gerard | | Gutierrez-Ferrol, Sergio | | Lopez, Feliciano | | Lopez, Marc | | Marti, Javier | | Menendez-Maceiras, Adrian | | Montanes, Albert | | Munoz-De La Nava, Daniel | | Nadal, Rafael | | Olaso, Guillermo | | Ramirez Hidalgo, Ruben | | Ramos-Vinolas, Albert | | Riba, Pere | | Robredo, Tommy | | Verdasco, Fernando |
| | Suíça (5) |
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| Bohli, Stephane | | Chiudinelli, Marco | | Federer, Roger | | Laaksonen, Henri | | Wawrinka, Stan |
| | Taiwan (2) |
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| Lu, Yen-Hsun | | Wang, Jimmy |
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| Tailândia (2) |
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| Trongcharoenchaikul, Wishaya | | Udomchoke, Danai |
| | | | Ucrânia (5) |
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| Bubka, Sergei | | Dolgopolov, Alexandr | | Marchenko, Illya | | Sergeyev, Ivan | | Stakhovsky, Sergiy |
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| Emirados Árabes Unidos (1) |
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| Awadhy, Omar |
| | Reino Unido (6) |
|---|
| Baker, Jamie | | Corrie, Edward | | Edmund, Kyle | | Evans, Daniel | | Murray, Andy | | Ward, James |
| | Estados Unidos (23) |
|---|
| Baker, Brian | | Blake, James | | Fish, Mardy | | Ginepri, Robby | | Harrison, Ryan | | Isner, John | | Johnson, Steve | | Kendrick, Robert | | Klahn, Bradley | | Kudla, Denis | | Kuznetsov, Alex | | McDonald, Mackenzie | | Novikov, Dennis | | Odesnik, Wayne | | Querrey, Sam | | Ram, Rajeev | | Reynolds, Bobby | | Russell, Michael | | Smyczek, Tim | | Sock, Jack | | Sweeting, Ryan | | Williams, Rhyne | | Young, Donald |
| |
| Uzbequistão (1) |
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| Istomin, Denis |
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