| Australia (3) |
|---|
| Kokkinakis, Thanasi | | Kyrgios, Nick | | Thompson, Jordan |
| | | Bulgaria (1) |
|---|
| Dimitrov, Grigor |
| | Canada (2) |
|---|
| Raonic, Milos | | Shapovalov, Denis |
|
| | Czech Republic (1) |
|---|
| Berdych, Tomas |
| | France (6) |
|---|
| Benneteau, Julien | | Chardy, Jeremy | | Herbert, Pierre-Hugues | | Mahut, Nicolas | | Mannarino, Adrian | | Tsonga, Jo-Wilfried |
| | Georgia (1) |
|---|
| Basilashvili, Nikoloz |
|
| Luxembourg (1) |
|---|
| Muller, Gilles |
| | Russia (1) |
|---|
| Medvedev, Daniil |
| | Serbia (2) |
|---|
| Tipsarevic, Janko | | Troicki, Viktor |
| | Slovenia (1) |
|---|
| Bedene, Aljaz |
|
| Spain (1) |
|---|
| Lopez, Feliciano |
| | | United Kingdom (5) |
|---|
| Broady, Liam | | Edmund, Kyle | | Murray, Andy | | Norrie, Cameron | | Ward, James |
| | United States (6) |
|---|
| Harrison, Ryan | | Isner, John | | Johnson, Steve | | Kozlov, Stefan | | Querrey, Sam | | Young, Donald |
|