| Argentina (2) |
|---|
| Bagnis, Facundo | | Zeballos, Horacio |
| | | Belgien (2) |
|---|
| Goffin, David | | Greef, Arthur De |
| | Canada (1) |
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| Pospisil, Vasek |
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| Kroatien (1) |
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| Karlovic, Ivo |
| | Cypern (1) |
|---|
| Baghdatis, Marcos |
| | Tjekkiet (3) |
|---|
| Berdych, Tomas | | Stepanek, Radek | | Vesely, Jiri |
| | Egypten (1) |
|---|
| Safwat, Mohamed |
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| Frankrig (3) |
|---|
| Chardy, Jeremy | | Mathieu, Paul-Henri | | Tsonga, Jo-Wilfried |
| | Tyskland (4) |
|---|
| Brown, Dustin | | Kohlschreiber, Philipp | | Mayer, Florian | | Struff, Jan-Lennard |
| | Italien (2) |
|---|
| Giannessi, Alessandro | | Lorenzi, Paolo |
| |
| Qatar (1) |
|---|
| Zayid, Mubarak Shannan |
| | Rusland (2) |
|---|
| Khachanov, Karen | | Kuznetsov, Andrey |
| | Serbien (1) |
|---|
| Djokovic, Novak |
| | Spanien (2) |
|---|
| Almagro, Nicolas | | Verdasco, Fernando |
|
| Tunesien (1) |
|---|
| Jaziri, Malek |
| | | Ukraine (1) |
|---|
| Marchenko, Illya |
| | Storbritannien (1) |
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| Murray, Andy |
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