| Australien (1) |
|---|
| Thompson, Jordan |
| | | Frankrig (6) |
|---|
| Barrere, Gregoire | | Chardy, Jeremy | | Herbert, Pierre-Hugues | | Mannarino, Adrian | | Moutet, Corentin | | Tsonga, Jo-Wilfried |
| | Ungarn (1) |
|---|
| Fucsovics, Marton |
|
| Italien (2) |
|---|
| Cecchinato, Marco | | Sonego, Lorenzo |
| | Kasakhstan (2) |
|---|
| Bublik, Alexander | | Kukushkin, Mikhail |
| | Litauen (1) |
|---|
| Berankis, Ricardas |
| | Rusland (1) |
|---|
| Rublev, Andrey |
|
| Serbien (3) |
|---|
| Djere, Laslo | | Kecmanovic, Miomir | | Krajinovic, Filip |
| | Slovenien (1) |
|---|
| Bedene, Aljaz |
| | Spanien (2) |
|---|
| Andujar, Pablo | | Verdasco, Fernando |
| |
| Schweizisk (1) |
|---|
| Wawrinka, Stan |
| | Tunesien (1) |
|---|
| Jaziri, Malek |
| | | Storbritannien (1) |
|---|
| Edmund, Kyle |
|
| USA (2) |
|---|
| Sandgren, Tennys | | Tiafoe, Frances |
|