Argentina (2) |
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Mayer, Leonardo | Monaco, Juan |
| Australia (3) |
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Groth, Sam | Kokkinakis, Thanasi | Tomic, Bernard |
| Austria (1) |
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Thiem, Dominic |
| Bulgaria (1) |
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Dimitrov, Grigor |
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Canada (2) |
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Pospisil, Vasek | Raonic, Milos |
| China (3) |
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Wang, Chuhan | Wu, Di | Zhang, Ze |
| Colombia (1) |
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Giraldo, Santiago |
| Croatia (3) |
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Cilic, Marin | Dodig, Ivan | Karlovic, Ivo |
|
Czech Republic (2) |
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Berdych, Tomas | Rosol, Lukas |
| France (5) |
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Benneteau, Julien | Chardy, Jeremy | Gasquet, Richard | Roger-Vasselin, Edouard | Simon, Gilles |
| | |
Kazakhstan (2) |
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Golubev, Andrey | Kukushkin, Mikhail |
| Latvia (1) |
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Gulbis, Ernests |
| Poland (1) |
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Janowicz, Jerzy |
| |
Russia (2) |
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Gabashvili, Teymuraz | Youzhny, Mikhail |
| Serbia (1) |
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Djokovic, Novak |
| Slovakia (1) |
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Klizan, Martin |
| South Africa (1) |
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Anderson, Kevin |
|
Spain (8) |
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Andujar, Pablo | Bautista Agut, Roberto | Ferrer, David | Garcia-Lopez, Guillermo | Granollers, Marcel | Lopez, Feliciano | Nadal, Rafael | Robredo, Tommy |
| Switzerland (2) |
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Federer, Roger | Wawrinka, Stan |
| | |
Ukraine (1) |
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Dolgopolov, Alexandr |
| United Kingdom (2) |
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Murray, Andy | Ward, James |
| United States (4) |
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Isner, John | Johnson, Steve | Sock, Jack | Young, Donald |
| |
Uzbekistan (1) |
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Istomin, Denis |
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