| Argentina (3) |
|---|
| Del Potro, Juan Martin | | Delbonis, Federico | | Pella, Guido |
| | | Bulgaria (1) |
|---|
| Dimitrov, Grigor |
| |
| | Chipre (1) |
|---|
| Baghdatis, Marcos |
| | Francia (4) |
|---|
| Gasquet, Richard | | Mahut, Nicolas | | Mannarino, Adrian | | Paire, Benoit |
| | Alemania (2) |
|---|
| Mayer, Florian | | Zverev, Mischa |
|
| | | Lituania (1) |
|---|
| Berankis, Ricardas |
| | Luxemburgo (1) |
|---|
| Muller, Gilles |
|
| Países Bajos (1) |
|---|
| Haase, Robin |
| | Rusia (2) |
|---|
| Kuznetsov, Andrey | | Youzhny, Mikhail |
| | | España (3) |
|---|
| Carreno Busta, Pablo | | Granollers, Marcel | | Verdasco, Fernando |
|
| Suiza (3) |
|---|
| Chiudinelli, Marco | | Laaksonen, Henri | | Wawrinka, Stan |
| | Ucrania (1) |
|---|
| Marchenko, Illya |
| | Estados Unidos (3) |
|---|
| Fritz, Taylor | | Sock, Jack | | Young, Donald |
|