| Harri Heliövaara (1) | | Henry Patten (1) | | Francisco Cerúndolo | | Juan Manuel Cerúndolo |
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| Romain Arneodo | | Adrian Mannarino | | Matteo Arnaldi | | Jan Lennard Struff |
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| Marcelo Demoliner | | Ray Ho | | Nathaniel Lammons (WC) | | Jackson Withrow (WC) |
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| Daniel Milavsky (WC) | | Braden Shick (WC) | | Francisco Cabral (16) | | JJ Tracy (16) |
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| Hugo Nys (12) | | Édouard Roger-Vasselin (12) | | Jakub Paul | | Matěj Vocel |
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| Sander Arends | | David Pel | | Sriram Balaji | | Evan King |
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| Alexander Bublik | | Juncheng Shang | | Sebastián Báez | | Fábián Marozsán |
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| Finn Reynolds | | James Watt | | Guido Andreozzi (7) | | Manuel Guinard (7) |
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| Simone Bolelli (4) | | Andrea Vavassori (4) | | Quentin Halys | | Pierre Hugues Herbert |
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| Alexander Blockx | | Dino Prižmić | | Sander Gillé | | Sem Verbeek |
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| Ryan Seggerman | | Patrik Trhac | | Yuki Bhambri | | Michael Venus |
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| Filip Pieczonka | | Bart Stevens | | Austin Krajicek (15) | | Nikola Mektić (15) |
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| Sadio Doumbia (11) | | Fabien Reboul (11) | | David Stevenson | | Marcus Willis |
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| Yannik Alvarez (WC) | | Noah Johnston (WC) | | Jakob Schnaitter | | Mark Wallner |
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| Martin Damm (WC) | | Mackenzie McDonald (WC) | | Jan Choinski (Ersatz) | | Alexander Donski (Ersatz) |
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| Arthur Reymond | | Luca Sanchez | | Christian Harrison (5) | | Neal Skupski (5) |
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| Kevin Krawietz (6) | | Tim Pütz (6) | | Jaime Faria (Ersatz) | | Adam Walton (Ersatz) |
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| Robert Galloway | | Andre Goransson | | Jean-Julien Rojer | | Theodore Winegar |
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| Andrey Golubev | | Aleksandr Nedovyesov | | Adam Pavlásek | | Patrik Rikl |
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| Luciano Darderi | | Mariano Kestelboim | | Julian Cash (9) | | Lloyd Glasspool (9) |
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| Lucas Miedler (13) | | Marc Polmans (13) | | Brandon Nakashima (WC) | | Bryce Nakashima (WC) |
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| Nuno Borges | | Rinky Hijikata | | Robert Cash | | Alexander Erler |
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| Jenson Brooksby | | Marcos Giron | | Mac Kiger (WC) | | Aleksandar Kovačević (WC) |
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| Luke Johnson | | Jan Zieliński | | Marcelo Arévalo (3) | | Mate Pavić (3) |
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| Orlando Luz (8) | | Rafael Matos (8) | | Brandon Carpico (WC) | | Nikita Samuel Filin (WC) |
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| James Duckworth | | Miomir Kecmanović | | Marcelo Melo | | John Peers |
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| Rajeev Ram | | Joe Salisbury | | Santiago González | | John Patrick Smith |
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| Benjamin Bonzi | | Arthur Rinderknech | | Théo Arribagé (10) | | Albano Olivetti (10) |
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| Constantin Frantzen (14) | | Robin Haase (14) | | Máximo González | | Andrés Molteni |
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| Petr Nouza | | Neil Oberleitner | | Gonzalo Escobar (Ersatz) | | Niki Kaliyanda Poonacha (Ersatz) |
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| Arthur Fery | | Joshua Paris | | Tomás Martín Etcheverry | | Camilo Ugo Carabelli |
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| Hendrik Jebens | | Miguel Reyes Varela | | Marcel Granollers (2) | | Horacio Zeballos (2) |
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