| Argentina (2) |
|---|
| Cerundolo, Francisco | | Etcheverry, Tomas Martin |
| | Australia (5) |
|---|
| Duckworth, James | | Hijikata, Rinky | | Kokkinakis, Thanasi | | Purcell, Max | | Thompson, Jordan |
| | | Canada (1) |
|---|
| Shapovalov, Denis |
|
| | Colombia (1) |
|---|
| Galan, Daniel Elahi |
| | Croatia (1) |
|---|
| Ajdukovic, Duje |
| |
| Italy (1) |
|---|
| Darderi, Luciano |
| | Netherlands (1) |
|---|
| Brouwer, Gijs |
| | Peru (1) |
|---|
| Varillas, Juan Pablo |
| | Swiss (1) |
|---|
| Ritschard, Alexander |
|
| United States (11) |
|---|
| Eubanks, Christopher | | Giron, Marcos | | Kovacevic, Aleksandar | | Kudla, Denis | | Kypson, Patrick | | Michelsen, Alex | | Mmoh, Michael | | Nakashima, Brandon | | Shelton, Ben | | Tiafoe, Frances | | Wolf, J.J. |
|