| | Belgium (3) |
|---|
| Bemelmans, Ruben | | Darcis, Steve | | Goffin, David |
| | Canada (1) |
|---|
| Shapovalov, Denis |
| |
| Cyprus (1) |
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| Baghdatis, Marcos |
| | Czech Republic (2) |
|---|
| Berdych, Tomas | | Vesely, Jiri |
| | France (9) |
|---|
| Chardy, Jeremy | | Herbert, Pierre-Hugues | | Hoang, Antoine | | Humbert, Ugo | | Mahut, Nicolas | | Paire, Benoit | | Pouille, Lucas | | Simon, Gilles | | Tsonga, Jo-Wilfried |
| | Germany (2) |
|---|
| Bachinger, Matthias | | Kohlschreiber, Philipp |
|
| Italy (1) |
|---|
| Fabbiano, Thomas |
| | Latvia (1) |
|---|
| Gulbis, Ernests |
| | | Poland (1) |
|---|
| Hurkacz, Hubert |
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| Russia (1) |
|---|
| Donskoy, Evgeny |
| | Serbia (1) |
|---|
| Krajinovic, Filip |
| | Spain (2) |
|---|
| Granollers, Marcel | | Menendez-Maceiras, Adrian |
| | United States (1) |
|---|
| Kudla, Denis |
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