| Argentina (4) |
|---|
| Del Potro, Juan Martin | | Mayer, Leonardo | | Monaco, Juan | | Pella, Guido |
| | Australia (2) |
|---|
| Kyrgios, Nick | | Tomic, Bernard |
| | Austria (1) |
|---|
| Thiem, Dominic |
| |
| Brasile (1) |
|---|
| Bellucci, Thomaz |
| | Bulgaria (1) |
|---|
| Dimitrov, Grigor |
| | Canada (2) |
|---|
| Pospisil, Vasek | | Raonic, Milos |
| | Colombia (1) |
|---|
| Giraldo, Santiago |
|
| Croazia (2) |
|---|
| Coric, Borna | | Karlovic, Ivo |
| | Cipro (1) |
|---|
| Baghdatis, Marcos |
| | Repubblica Ceca (2) |
|---|
| Berdych, Tomas | | Stepanek, Radek |
| | Francia (9) |
|---|
| Chardy, Jeremy | | Gasquet, Richard | | Herbert, Pierre-Hugues | | Mahut, Nicolas | | Monfils, Gael | | Paire, Benoit | | Pouille, Lucas | | Simon, Gilles | | Tsonga, Jo-Wilfried |
|
| Germania (1) |
|---|
| Kohlschreiber, Philipp |
| | | Giappone (1) |
|---|
| Nishikori, Kei |
| | Portogallo (1) |
|---|
| Sousa, Joao |
|
| Russia (2) |
|---|
| Gabashvili, Teymuraz | | Kuznetsov, Andrey |
| | Serbia (2) |
|---|
| Djokovic, Novak | | Troicki, Viktor |
| | Sud Africa (1) |
|---|
| Anderson, Kevin |
| | Spagna (11) |
|---|
| Almagro, Nicolas | | Bautista Agut, Roberto | | Carballes Baena, Roberto | | Carreno Busta, Pablo | | Ferrer, David | | Garcia-Lopez, Guillermo | | Granollers, Marcel | | Lopez, Feliciano | | Nadal, Rafael | | Ramos-Vinolas, Albert | | Verdasco, Fernando |
|
| Svizzera (2) |
|---|
| Federer, Roger | | Wawrinka, Stan |
| | Ucraina (1) |
|---|
| Dolgopolov, Alexandr |
| | Regno Unito (1) |
|---|
| Murray, Andy |
| | Stati Uniti (4) |
|---|
| Johnson, Steve | | Kudla, Denis | | Querrey, Sam | | Sock, Jack |
|
| | Usbechistan (1) |
|---|
| Istomin, Denis |
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