| Australia (4) |
|---|
| Ebden, Matthew | | Groth, Sam | | Kyrgios, Nick | | Tomic, Bernard |
| | Bulgaria (1) |
|---|
| Dimitrov, Grigor |
| | Croazia (2) |
|---|
| Cilic, Marin | | Coric, Borna |
| | Cipro (1) |
|---|
| Baghdatis, Marcos |
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| Repubblica Ceca (2) |
|---|
| Stepanek, Radek | | Vesely, Jiri |
| | Francia (4) |
|---|
| Chardy, Jeremy | | Gasquet, Richard | | Paire, Benoit | | Simon, Gilles |
| | Giappone (4) |
|---|
| Ito, Tatsuma | | Nishikori, Kei | | Nishioka, Yoshihito | | Uchiyama, Yasutaka |
| | Lussemburgo (1) |
|---|
| Muller, Gilles |
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| Portogallo (1) |
|---|
| Sousa, Joao |
| | Russia (1) |
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| Youzhny, Mikhail |
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|---|
| Anderson, Kevin |
| | Spagna (4) |
|---|
| Bautista Agut, Roberto | | Lopez, Feliciano | | Ramos-Vinolas, Albert | | Verdasco, Fernando |
|
| Svizzera (1) |
|---|
| Wawrinka, Stan |
| | Ucraina (1) |
|---|
| Dolgopolov, Alexandr |
| | Stati Uniti (4) |
|---|
| Johnson, Steve | | Krajicek, Austin | | Querrey, Sam | | Young, Donald |
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