| Argentina (1) |
|---|
| Del Potro, Juan Martin |
| | Australia (2) |
|---|
| Groth, Sam | | Millman, John |
| | Austria (1) |
|---|
| Thiem, Dominic |
| | Bulgaria (1) |
|---|
| Dimitrov, Grigor |
|
| | Cyprus (1) |
|---|
| Baghdatis, Marcos |
| | Czech Republic (1) |
|---|
| Stepanek, Radek |
| | France (4) |
|---|
| Herbert, Pierre-Hugues | | Martin, Fabrice | | Pouille, Lucas | | Simon, Gilles |
|
| Germany (4) |
|---|
| Berrer, Michael | | Kohlschreiber, Philipp | | Mayer, Florian | | Struff, Jan-Lennard |
| | Russia (1) |
|---|
| Youzhny, Mikhail |
| | Serbia (2) |
|---|
| Lajovic, Dusan | | Troicki, Viktor |
| | Spain (1) |
|---|
| Lopez, Feliciano |
|
| Switzerland (1) |
|---|
| Federer, Roger |
| | | Ukraine (2) |
|---|
| Marchenko, Illya | | Stakhovsky, Sergiy |
| | United Kingdom (1) |
|---|
| Choinski, Jan |
|
| United States (2) |
|---|
| Fritz, Taylor | | Kudla, Denis |
| | Uzbekistan (1) |
|---|
| Istomin, Denis |
|