| Argentinien (1) |
|---|
| Schwartzman, Diego |
| | Australien (1) |
|---|
| De Minaur, Alex |
| | Österreich (1) |
|---|
| Thiem, Dominic |
| |
| Bosnien und Herzegowina (1) |
|---|
| Dzumhur, Damir |
| | Bulgarien (1) |
|---|
| Dimitrov, Grigor |
| | Kanada (2) |
|---|
| Raonic, Milos | | Shapovalov, Denis |
| | Chile (1) |
|---|
| Garin, Christian |
|
| Kroatien (2) |
|---|
| Cilic, Marin | | Coric, Borna |
| | Frankreich (9) |
|---|
| Chardy, Jeremy | | Gasquet, Richard | | Humbert, Ugo | | Mannarino, Adrian | | Monfils, Gael | | Moutet, Corentin | | Paire, Benoit | | Simon, Gilles | | Tsonga, Jo-Wilfried |
| | Georgien (1) |
|---|
| Basilashvili, Nikoloz |
| | Deutschland (2) |
|---|
| Struff, Jan-Lennard | | Zverev, Alexander |
|
| Griechenland (1) |
|---|
| Tsitsipas, Stefano |
| | Italien (3) |
|---|
| Berrettini, Matteo | | Fognini, Fabio | | Seppi, Andreas |
| | Japan (1) |
|---|
| Nishioka, Yoshihito |
| | Litauen (1) |
|---|
| Berankis, Ricardas |
|
| | | | Russland (3) |
|---|
| Khachanov, Karen | | Medvedev, Daniil | | Rublev, Andrey |
|
| Serbien (3) |
|---|
| Djere, Laslo | | Djokovic, Novak | | Lajovic, Dusan |
| | Spanien (3) |
|---|
| Bautista Agut, Roberto | | Nadal, Rafael | | Verdasco, Fernando |
| | Schweiz (2) |
|---|
| Federer, Roger | | Wawrinka, Stan |
| | Groß Britannien (2) |
|---|
| Edmund, Kyle | | Norrie, Cameron |
|
| Vereinigte Staaten (4) |
|---|
| Fritz, Taylor | | Isner, John | | Querrey, Sam | | Tiafoe, Frances |
| |