| Argentinien (1) |
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| Mayer, Leonardo |
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| Kokkinakis, Thanasi | | Kyrgios, Nick | | Tomic, Bernard |
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| Thiem, Dominic |
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| Cilic, Marin | | Coric, Borna | | Karlovic, Ivo |
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| Tschechien (3) |
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| Berdych, Tomas | | Rosol, Lukas | | Vesely, Jiri |
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| Fognini, Fabio | | Seppi, Andreas |
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| Muller, Gilles |
| | | | Serbien (2) |
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| Djokovic, Novak | | Troicki, Viktor |
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| Anderson, Kevin |
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| Murray, Andy |
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| Donaldson, Jared | | Fish, Mardy | | Fratangelo, Bjorn | | Isner, John | | Kudla, Denis | | Querrey, Sam | | Ram, Rajeev | | Sock, Jack |
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