| Argentyna (4) |
|---|
| Bagnis, Facundo | | Cerundolo, Francisco | | Coria, Federico | | Schwartzman, Diego |
| | Australia (4) |
|---|
| Duckworth, James | | Millman, John | | Purcell, Max | | Saville, Luke |
| | Białoruś (2) |
|---|
| Gerasimov, Egor | | Ivashka, Ilya |
| |
| Brazil (2) |
|---|
| Menezes, Joao | | Monteiro, Thiago |
| | Kanada (1) |
|---|
| Auger-Aliassime, Felix |
| | Chile (1) |
|---|
| Barrios Vera, Marcelo Tomas |
| | Kolubmia (1) |
|---|
| Galan, Daniel Elahi |
|
| Chorwacja (1) |
|---|
| Cilic, Marin |
| | Republika Czeska (1) |
|---|
| Machac, Tomas |
| | | Francja (4) |
|---|
| Chardy, Jeremy | | Humbert, Ugo | | Monfils, Gael | | Simon, Gilles |
|
| Gruzja (1) |
|---|
| Basilashvili, Nikoloz |
| | Niemcy (4) |
|---|
| Koepfer, Dominik | | Kohlschreiber, Philipp | | Struff, Jan-Lennard | | Zverev, Alexander |
| | Grecja (1) |
|---|
| Tsitsipas, Stefanos |
| | Węgry (1) |
|---|
| Fucsovics, Marton |
|
| | Włochy (3) |
|---|
| Fognini, Fabio | | Musetti, Lorenzo | | Sonego, Lorenzo |
| | Japonia (4) |
|---|
| Daniel, Taro | | Nishikori, Kei | | Nishioka, Yoshihito | | Sugita, Yuichi |
| | Kazachstan (2) |
|---|
| Bublik, Alexander | | Kukushkin, Mikhail |
|
| Peru (1) |
|---|
| Varillas, Juan Pablo |
| | Polska (2) |
|---|
| Hurkacz, Hubert | | Majchrzak, Kamil |
| | Portugalia (2) |
|---|
| Sousa, Joao | | Sousa, Pedro |
| | Rosja (4) |
|---|
| Karatsev, Aslan | | Khachanov, Karen | | Medvedev, Daniil | | Rublev, Andrey |
|
| Serbia (2) |
|---|
| Djokovic, Novak | | Kecmanovic, Miomir |
| | Słowacja (2) |
|---|
| Gombos, Norbert | | Klein, Lukas |
| | Korea Południowa (1) |
|---|
| Kwon, Soonwoo |
| | Hiszpania (4) |
|---|
| Andujar, Pablo | | Carballes Baena, Roberto | | Carreno Busta, Pablo | | Davidovich Fokina, Alejandro |
|
| | Zjednoczone Królestwo (2) |
|---|
| Broady, Liam | | Murray, Andy |
| | Stany Zjednoczone (4) |
|---|
| Giron, Marcos | | Paul, Tommy | | Sandgren, Tennys | | Tiafoe, Frances |
| | Uzbekistan (1) |
|---|
| Istomin, Denis |
|