| Canada (1) |
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Pospisil, Vasek |
| Croazia (3) |
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Cilic, Marin | Coric, Borna | Dodig, Ivan |
| Cipro (1) |
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Baghdatis, Marcos |
|
Repubblica Ceca (2) |
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Rosol, Lukas | Vesely, Jiri |
| Francia (7) |
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Benneteau, Julien | Chardy, Jeremy | Gasquet, Richard | Mahut, Nicolas | Monfils, Gael | Paire, Benoit | Simon, Gilles |
| Germania (2) |
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Kohlschreiber, Philipp | Zverev, Alexander |
| |
Lettonia (1) |
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Gulbis, Ernests |
| Lussemburgo (1) |
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Muller, Gilles |
| Olanda (2) |
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Bakker, Thiemo de | Haase, Robin |
| Portogallo (1) |
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Sousa, Joao |
|
Russia (3) |
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Donskoy, Evgeny | Gabashvili, Teymuraz | Kuznetsov, Andrey |
| Serbia (1) |
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Troicki, Viktor |
| Slovacchia (1) |
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Klizan, Martin |
| Corea del Sud (1) |
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Chung, Hyeon |
|
Spagna (3) |
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Bautista Agut, Roberto | Garcia-Lopez, Guillermo | Robredo, Tommy |
| Usbechistan (1) |
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Istomin, Denis |
|