| Australië (2) |
|---|
| Millman, John | | Tomic, Bernard |
| | Canada (3) |
|---|
| Auger-Aliassime, Felix | | Diez, Steven | | Shapovalov, Denis |
| | | Frankrijk (9) |
|---|
| Chardy, Jeremy | | Gasquet, Richard | | Herbert, Pierre-Hugues | | Humbert, Ugo | | Janvier, Maxime | | Lamasine, Tristan | | Moutet, Corentin | | Paire, Benoit | | Tsonga, Jo-Wilfried |
|
| Georgië (1) |
|---|
| Basilashvili, Nikoloz |
| | | Kazachstan (1) |
|---|
| Kukushkin, Mikhail |
| |
| | Slowakije (1) |
|---|
| Klizan, Martin |
| | Zuid-Afrika (1) |
|---|
| Harris, Lloyd |
| | Spanje (2) |
|---|
| Andujar, Pablo | | Bautista Agut, Roberto |
|
| Verenigd Koninkrijk (1) |
|---|
| Norrie, Cameron |
| | Verenigde Staten (4) |
|---|
| Fritz, Taylor | | Johnson, Steve | | McDonald, Mackenzie | | Opelka, Reilly |
| |