| Argentina (7) |
|---|
| Bagnis, Facundo | | Berlocq, Carlos | | Delbonis, Federico | | Olivo, Renzo | | Pella, Guido | | Schwartzman, Diego | | Zeballos, Horacio |
| | Austrálie (11) |
|---|
| Bolt, Alex | | De Minaur, Alex | | Duckworth, James | | Groth, Sam | | Jasika, Omar | | Kyrgios, Nick | | Mott, Blake | | O'Connell, Christopher | | Thompson, Jordan | | Tomic, Bernard | | Whittington, Andrew |
| | Rakousko (3) |
|---|
| Melzer, Gerald | | Melzer, Jurgen | | Thiem, Dominic |
| | Belgie (2) |
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| Darcis, Steve | | Goffin, David |
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| Bosna a Hercegovina (1) |
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| Dzumhur, Damir |
| | Brazílie (3) |
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| Bellucci, Thomaz | | Dutra Silva, Rogerio | | Monteiro, Thiago |
| | Bulharsko (1) |
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| Dimitrov, Grigor |
| | Kanada (2) |
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| Polansky, Peter | | Raonic, Milos |
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| Kolumbie (1) |
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| Giraldo, Santiago |
| | Chorvatsko (4) |
|---|
| Cilic, Marin | | Coric, Borna | | Dodig, Ivan | | Karlovic, Ivo |
| | Kypr (1) |
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| Baghdatis, Marcos |
| | Česká republika (4) |
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| Berdych, Tomas | | Pavlasek, Adam | | Stepanek, Radek | | Vesely, Jiri |
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| Dominikánská republika (1) |
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| Estrella Burgos, Victor |
| | Francie (13) |
|---|
| Chardy, Jeremy | | Gasquet, Richard | | 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 |
| | Gruzie (1) |
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| Basilashvili, Nikoloz |
| | Německo (7) |
|---|
| Brown, Dustin | | Haas, Tommy | | Kohlschreiber, Philipp | | Mayer, Florian | | Struff, Jan-Lennard | | Zverev, Alexander | | Zverev, Mischa |
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| | Itálie (5) |
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| Fabbiano, Thomas | | Fognini, Fabio | | Lorenzi, Paolo | | Seppi, Andreas | | Vanni, Luca |
| | Japonsko (3) |
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| Nishikori, Kei | | Nishioka, Yoshihito | | Soeda, Go |
| | Kazachstán (2) |
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| Bublik, Alexander | | Kukushkin, Mikhail |
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| Lucembursko (1) |
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| Muller, Gilles |
| | Mexiko (1) |
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| Escobedo, Ernesto |
| | | Nizozemsko (1) |
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| Haase, Robin |
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| Polsko (1) |
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| Janowicz, Jerzy |
| | Portugalsko (2) |
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| Elias, Gastao | | Sousa, Joao |
| | Rusko (7) |
|---|
| Khachanov, Karen | | Kravchuk, Konstantin | | Kuznetsov, Andrey | | Medvedev, Daniil | | Rublev, Andrey | | Tursunov, Dmitry | | Youzhny, Mikhail |
| | Srbsko (3) |
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| Djokovic, Novak | | Lajovic, Dusan | | Troicki, Viktor |
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| Slovensko (2) |
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| Klizan, Martin | | Lacko, Lukas |
| | Slovinsko (1) |
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| Bedene, Aljaz |
| | Jižní Korea (1) |
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| Chung, Hyeon |
| | Španělsko (10) |
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| Almagro, Nicolas | | Bautista Agut, Roberto | | Carreno Busta, Pablo | | Ferrer, David | | Garcia-Lopez, Guillermo | | Granollers, Marcel | | Lopez, Feliciano | | Nadal, Rafael | | Ramos-Vinolas, Albert | | Verdasco, Fernando |
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| Švýcarsko (2) |
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| Federer, Roger | | Wawrinka, Stan |
| | Tchaj-wan (1) |
|---|
| Lu, Yen-Hsun |
| | | Ukrajina (2) |
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| Dolgopolov, Alexandr | | Marchenko, Illya |
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| Velká Británie (3) |
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| Edmund, Kyle | | Evans, Daniel | | Murray, Andy |
| | USA (13) |
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| Donaldson, Jared | | Fratangelo, Bjorn | | Fritz, Taylor | | Harrison, Ryan | | Isner, John | | Johnson, Steve | | Mmoh, Michael | | Opelka, Reilly | | Querrey, Sam | | Rubin, Noah | | Sock, Jack | | Tiafoe, Frances | | Young, Donald |
| | | Uzbekistán (1) |
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| Istomin, Denis |
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