| Argentina (1) |
|---|
| Del Potro, Juan Martin |
| | Australia (2) |
|---|
| Groth, Sam | | Millman, John |
| | Austria (1) |
|---|
| Thiem, Dominic |
| | Bulgaria (1) |
|---|
| Dimitrov, Grigor |
|
| | Cipro (1) |
|---|
| Baghdatis, Marcos |
| | Repubblica Ceca (1) |
|---|
| Stepanek, Radek |
| | Francia (4) |
|---|
| Herbert, Pierre-Hugues | | Martin, Fabrice | | Pouille, Lucas | | Simon, Gilles |
|
| Germania (4) |
|---|
| Berrer, Michael | | Kohlschreiber, Philipp | | Mayer, Florian | | Struff, Jan-Lennard |
| | Russia (1) |
|---|
| Youzhny, Mikhail |
| | Serbia (2) |
|---|
| Lajovic, Dusan | | Troicki, Viktor |
| | Spagna (1) |
|---|
| Lopez, Feliciano |
|
| Svizzera (1) |
|---|
| Federer, Roger |
| | | Ucraina (2) |
|---|
| Marchenko, Illya | | Stakhovsky, Sergiy |
| | Regno Unito (1) |
|---|
| Choinski, Jan |
|
| Stati Uniti (2) |
|---|
| Fritz, Taylor | | Kudla, Denis |
| | Usbechistan (1) |
|---|
| Istomin, Denis |
|