| Argentinien (1) |
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| Pella, Guido |
| | Österreich (1) |
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| Thiem, Dominic |
| | | Bulgarien (1) |
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| Dimitrov, Grigor |
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| | Kroatien (2) |
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| Cilic, Marin | | Karlovic, Ivo |
| | Zypern (1) |
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| Baghdatis, Marcos |
| | Tschechien (1) |
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| Berdych, Tomas |
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| Frankreich (11) |
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| Benneteau, Julien | | Gasquet, Richard | | Herbert, Pierre-Hugues | | Mahut, Nicolas | | Mannarino, Adrian | | Mathieu, Paul-Henri | | Paire, Benoit | | Pouille, Lucas | | Robert, Stephane | | Simon, Gilles | | Tsonga, Jo-Wilfried |
| | Deutschland (3) |
|---|
| Kohlschreiber, Philipp | | Struff, Jan-Lennard | | Zverev, Mischa |
| | Italien (3) |
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| Fognini, Fabio | | Lorenzi, Paolo | | Seppi, Andreas |
| |
| Luxemburg (1) |
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| Muller, Gilles |
| | Die Niederlande (1) |
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| Haase, Robin |
| | | Serbien (3) |
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| Djokovic, Novak | | Lajovic, Dusan | | Troicki, Viktor |
|
| Slowakei (1) |
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| Klizan, Martin |
| | Spanien (7) |
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| Almagro, Nicolas | | Bautista Agut, Roberto | | Carreno Busta, Pablo | | Ferrer, David | | Lopez, Feliciano | | Ramos-Vinolas, Albert | | Verdasco, Fernando |
| | Schweiz (1) |
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| Wawrinka, Stan |
| | Ukraine (1) |
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| Marchenko, Illya |
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| Groß Britannien (1) |
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| Murray, Andy |
| | Vereinigte Staaten (3) |
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| Isner, John | | Johnson, Steve | | Sock, Jack |
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