| Argentína (3) |
|---|
| Baez, Sebastian | | Cerundolo, Francisco | | Schwartzman, Diego |
| | Austrália (2) |
|---|
| De Minaur, Alex | | Popyrin, Alexei |
| | Rakúsko (1) |
|---|
| Thiem, Dominic |
| | Bielorusko (1) |
|---|
| Ivashka, Ilya |
|
| Belgicko (1) |
|---|
| Goffin, David |
| | Bulharsko (1) |
|---|
| Dimitrov, Grigor |
| | | Chorvátsko (1) |
|---|
| Coric, Borna |
|
| Česká republika (1) |
|---|
| Lehecka, Jiri |
| | | Fínsko (1) |
|---|
| Ruusuvuori, Emil |
| | Francúzsko (3) |
|---|
| Bonzi, Benjamin | | Gasquet, Richard | | Humbert, Ugo |
|
| Nemecko (2) |
|---|
| Struff, Jan-Lennard | | Zverev, Alexander |
| | Grécko (1) |
|---|
| Tsitsipas, Stefanos |
| | Maďarsko (1) |
|---|
| Fucsovics, Marton |
| | Taliansko (5) |
|---|
| Berrettini, Matteo | | Musetti, Lorenzo | | Nardi, Luca | | Sinner, Jannik | | Sonego, Lorenzo |
|
| Kazachstan (1) |
|---|
| Bublik, Alexander |
| | Monako (1) |
|---|
| Vacherot, Valentin |
| | Holandsko (2) |
|---|
| Griekspoor, Tallon | | Zandschulp, Botic van de |
| |
| Poľsko (1) |
|---|
| Hurkacz, Hubert |
| | Rusko (4) |
|---|
| Gakhov, Ivan | | Khachanov, Karen | | Medvedev, Daniil | | Rublev, Andrey |
| | Srbsko (5) |
|---|
| Djere, Laslo | | Djokovic, Novak | | Kecmanovic, Miomir | | Krajinovic, Filip | | Lajovic, Dusan |
| | Španielsko (5) |
|---|
| Bautista Agut, Roberto | | Davidovich Fokina, Alejandro | | Munar, Jaume | | Ramos-Vinolas, Albert | | Zapata Miralles, Bernabe |
|
| Švajčiarsko (2) |
|---|
| Huesler, Marc-Andrea | | Wawrinka, Stan |
| | Veľká Británia (4) |
|---|
| Draper, Jack | | Evans, Daniel | | Murray, Andy | | Norrie, Cameron |
| | USA (4) |
|---|
| Cressy, Maxime | | Fritz, Taylor | | McDonald, Mackenzie | | Shelton, Ben |
|