| Argentina (8) |
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| Bagnis, Facundo | | Del Potro, Juan Martin | | Delbonis, Federico | | Monaco, Juan | | Olivo, Renzo | | Pella, Guido | | Schwartzman, Diego | | Zeballos, Horacio |
| | Austrálie (3) |
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| Kyrgios, Nick | | Thompson, Jordan | | Tomic, Bernard |
| | Rakousko (1) |
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| Thiem, Dominic |
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| | Bosna a Hercegovina (1) |
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| Dzumhur, Damir |
| | Brazílie (2) |
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| Bellucci, Thomaz | | Monteiro, Thiago |
| | Bulharsko (1) |
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| Dimitrov, Grigor |
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| Kanada (1) |
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| Pospisil, Vasek |
| | Kolumbie (1) |
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| Giraldo, Santiago |
| | Chorvatsko (3) |
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| Cilic, Marin | | Coric, Borna | | Karlovic, Ivo |
| | Česká republika (2) |
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| Berdych, Tomas | | Vesely, Jiri |
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| Francie (10) |
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| Benneteau, Julien | | Chardy, Jeremy | | Herbert, Pierre-Hugues | | Mahut, Nicolas | | Mannarino, Adrian | | Monfils, Gael | | Paire, Benoit | | Pouille, Lucas | | Robert, Stephane | | Tsonga, Jo-Wilfried |
| | Gruzie (1) |
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| Basilashvili, Nikoloz |
| | Německo (6) |
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| Brown, Dustin | | Gojowczyk, Peter | | Kohlschreiber, Philipp | | Struff, Jan-Lennard | | Zverev, Alexander | | Zverev, Mischa |
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| Itálie (3) |
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| Fognini, Fabio | | Gaio, Federico | | Lorenzi, Paolo |
| | Japonsko (2) |
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| Nishikori, Kei | | Nishioka, Yoshihito |
| | Kazachstán (1) |
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| Kukushkin, Mikhail |
| | Lucembursko (1) |
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| Muller, Gilles |
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| | Nizozemsko (1) |
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| Haase, Robin |
| | Portugalsko (2) |
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| Elias, Gastao | | Sousa, Joao |
| | Rumunsko (1) |
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| Copil, Marius |
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| Rusko (6) |
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| Khachanov, Karen | | Kravchuk, Konstantin | | Kuznetsov, Andrey | | Medvedev, Daniil | | Tursunov, Dmitry | | Youzhny, Mikhail |
| | Srbsko (3) |
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| Djokovic, Novak | | Lajovic, Dusan | | Troicki, Viktor |
| | Slovensko (1) |
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| Klizan, Martin |
| | Jihoafrická republika (1) |
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| Anderson, Kevin |
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| Španělsko (9) |
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| Bautista Agut, Roberto | | Carreno Busta, Pablo | | Garcia-Lopez, Guillermo | | Granollers, Marcel | | Lopez, Feliciano | | Nadal, Rafael | | Ramos-Vinolas, Albert | | Robredo, Tommy | | Verdasco, Fernando |
| | | Švýcarsko (3) |
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| Federer, Roger | | Laaksonen, Henri | | Wawrinka, Stan |
| | Tchaj-wan (1) |
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| Lu, Yen-Hsun |
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| | Ukrajina (1) |
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| Dolgopolov, Alexandr |
| | Velká Británie (3) |
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| Edmund, Kyle | | Evans, Daniel | | Murray, Andy |
| | USA (11) |
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| Fratangelo, Bjorn | | Fritz, Taylor | | Harrison, Ryan | | Isner, John | | Johnson, Steve | | Kozlov, Stefan | | Opelka, Reilly | | Querrey, Sam | | Sock, Jack | | Tiafoe, Frances | | Young, Donald |
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