| Australia (1) |
|---|
| Tomic, Bernard |
| | Bulgaria (1) |
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| Dimitrov, Grigor |
| | Cyprus (1) |
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| Baghdatis, Marcos |
| | Czech Republic (1) |
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| Berdych, Tomas |
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| France (6) |
|---|
| Chardy, Jeremy | | Herbert, Pierre-Hugues | | Paire, Benoit | | Pouille, Lucas | | Robert, Stephane | | Simon, Gilles |
| | Georgia (1) |
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| Basilashvili, Nikoloz |
| | Germany (8) |
|---|
| Gojowczyk, Peter | | Haas, Tommy | | Hanfmann, Yannick | | Kohlschreiber, Philipp | | Marterer, Maximilian | | Mayer, Florian | | Struff, Jan-Lennard | | Zverev, Mischa |
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| Fucsovics, Marton |
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| Spain (1) |
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| Lopez, Feliciano |
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| Federer, Roger |
| | | United States (1) |
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| Johnson, Steve |
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