| Argentina (4) |
|---|
| Berlocq, Carlos | | Del Potro, Juan Martin | | Kicker, Nicolas | | Olivo, Renzo |
| | Australia (3) |
|---|
| Kokkinakis, Thanasi | | Kyrgios, Nick | | Thompson, Jordan |
| | | Bosnia and Herzegovina (1) |
|---|
| Dzumhur, Damir |
|
| Brasil (1) |
|---|
| Monteiro, Thiago |
| | | | Czech Republic (1) |
|---|
| Berdych, Tomas |
|
| France (5) |
|---|
| Halys, Quentin | | Mahut, Nicolas | | Paire, Benoit | | Simon, Gilles | | Tsonga, Jo-Wilfried |
| | Georgia (1) |
|---|
| Basilashvili, Nikoloz |
| | |
| | Portugal (1) |
|---|
| Elias, Gastao |
| | Russia (2) |
|---|
| Khachanov, Karen | | Medvedev, Daniil |
| | South Korea (1) |
|---|
| Chung, Hyeon |
|
| Spain (1) |
|---|
| Granollers, Marcel |
| | United Kingdom (1) |
|---|
| Edmund, Kyle |
| | United States (2) |
|---|
| Sandgren, Tennys | | Young, Donald |
| | Uzbekistan (1) |
|---|
| Istomin, Denis |
|